diff --git a/.dev.vars.example b/.dev.vars.example
index ec8b124..87ff9a7 100644
--- a/.dev.vars.example
+++ b/.dev.vars.example
@@ -2,3 +2,4 @@ GOOGLE_API_KEY=
 AI_GATEWAY_NAME=
 AI_GATEWAY_ACCOUNT_ID=
 AI_GATEWAY_API_KEY=
+TAVILY_API_KEY=
diff --git a/package-lock.json b/package-lock.json
index f8b7e6b..3f39116 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
 			"dependencies": {
 				"@ai-sdk/google": "^3.0.13",
 				"@cloudflare/puppeteer": "^1.0.5",
+				"@tavily/core": "^0.7.3",
 				"@types/sanitize-html": "^2.16.0",
 				"ai": "^6.0.49",
 				"hono": "^4.11.5",
@@ -2840,6 +2841,16 @@
 				"node": ">= 10"
 			}
 		},
+		"node_modules/@tavily/core": {
+			"version": "0.7.3",
+			"resolved": "https://registry.npmjs.org/@tavily/core/-/core-0.7.3.tgz",
+			"integrity": "sha512-KEXw8xIifY8Rfjq2Wstm8LvlvsNAj4drtpytEmg7BQUtKDcgMmWXm7CB/Mr0nxrcKwnpdTgOt8Ien1iJIUd1yQ==",
+			"dependencies": {
+				"axios": "^1.7.7",
+				"https-proxy-agent": "^7.0.6",
+				"js-tiktoken": "^1.0.14"
+			}
+		},
 		"node_modules/@tootallnate/quickjs-emscripten": {
 			"version": "0.23.0",
 			"resolved": "https://registry.npmjs.org/@tootallnate/quickjs-emscripten/-/quickjs-emscripten-0.23.0.tgz",
@@ -3138,6 +3149,53 @@
 				"node": ">=4"
 			}
 		},
+		"node_modules/asynckit": {
+			"version": "0.4.0",
+			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+			"integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
+		},
+		"node_modules/axios": {
+			"version": "1.16.1",
+			"resolved": "https://registry.npmjs.org/axios/-/axios-1.16.1.tgz",
+			"integrity": "sha512-caYkukvroVPO8KrzuJEb50Hm07KwfBZPEC3VeFHTsqWHvKTsy54hjJz9BS/cdaypROE2rH6xvm9mHX4fgWkr3A==",
+			"dependencies": {
+				"follow-redirects": "^1.16.0",
+				"form-data": "^4.0.5",
+				"https-proxy-agent": "^5.0.1",
+				"proxy-from-env": "^2.1.0"
+			}
+		},
+		"node_modules/axios/node_modules/agent-base": {
+			"version": "6.0.2",
+			"resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+			"integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+			"dependencies": {
+				"debug": "4"
+			},
+			"engines": {
+				"node": ">= 6.0.0"
+			}
+		},
+		"node_modules/axios/node_modules/https-proxy-agent": {
+			"version": "5.0.1",
+			"resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+			"integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+			"dependencies": {
+				"agent-base": "6",
+				"debug": "4"
+			},
+			"engines": {
+				"node": ">= 6"
+			}
+		},
+		"node_modules/axios/node_modules/proxy-from-env": {
+			"version": "2.1.0",
+			"resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+			"integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==",
+			"engines": {
+				"node": ">=10"
+			}
+		},
 		"node_modules/b4a": {
 			"version": "1.7.3",
 			"resolved": "https://registry.npmjs.org/b4a/-/b4a-1.7.3.tgz",
@@ -3354,6 +3412,18 @@
 				"node": ">=8"
 			}
 		},
+		"node_modules/call-bind-apply-helpers": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+			"integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+			"dependencies": {
+				"es-errors": "^1.3.0",
+				"function-bind": "^1.1.2"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/chai": {
 			"version": "5.3.3",
 			"resolved": "https://registry.npmjs.org/chai/-/chai-5.3.3.tgz",
@@ -3427,6 +3497,17 @@
 			"integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
 			"license": "MIT"
 		},
+		"node_modules/combined-stream": {
+			"version": "1.0.8",
+			"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+			"integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+			"dependencies": {
+				"delayed-stream": "~1.0.0"
+			},
+			"engines": {
+				"node": ">= 0.8"
+			}
+		},
 		"node_modules/consola": {
 			"version": "3.4.2",
 			"resolved": "https://registry.npmjs.org/consola/-/consola-3.4.2.tgz",
@@ -3567,6 +3648,14 @@
 				"node": ">= 14"
 			}
 		},
+		"node_modules/delayed-stream": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+			"integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+			"engines": {
+				"node": ">=0.4.0"
+			}
+		},
 		"node_modules/detect-indent": {
 			"version": "6.1.0",
 			"resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-6.1.0.tgz",
@@ -3674,6 +3763,19 @@
 				"node": ">=10"
 			}
 		},
+		"node_modules/dunder-proto": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
+			"integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+			"dependencies": {
+				"call-bind-apply-helpers": "^1.0.1",
+				"es-errors": "^1.3.0",
+				"gopd": "^1.2.0"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/emoji-regex": {
 			"version": "8.0.0",
 			"resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
@@ -3739,6 +3841,22 @@
 				"url": "https://github.com/sponsors/antfu"
 			}
 		},
+		"node_modules/es-define-property": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
+			"integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
+		"node_modules/es-errors": {
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
+			"integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/es-module-lexer": {
 			"version": "1.7.0",
 			"resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-1.7.0.tgz",
@@ -3746,6 +3864,31 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"node_modules/es-object-atoms": {
+			"version": "1.1.2",
+			"resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.2.tgz",
+			"integrity": "sha512-HWcBoN6NileqtSydK2FqHbS/LoDd2pqrnQHLyJzBj4kOp/ky2MWMN694xOfkK8/SnUsW2DH7EfyVlydKCsm1Zw==",
+			"dependencies": {
+				"es-errors": "^1.3.0"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
+		"node_modules/es-set-tostringtag": {
+			"version": "2.1.0",
+			"resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
+			"integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+			"dependencies": {
+				"es-errors": "^1.3.0",
+				"get-intrinsic": "^1.2.6",
+				"has-tostringtag": "^1.0.2",
+				"hasown": "^2.0.2"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/esbuild": {
 			"version": "0.27.3",
 			"resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.27.3.tgz",
@@ -3995,6 +4138,40 @@
 				"node": ">=8"
 			}
 		},
+		"node_modules/follow-redirects": {
+			"version": "1.16.0",
+			"resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
+			"integrity": "sha512-y5rN/uOsadFT/JfYwhxRS5R7Qce+g3zG97+JrtFZlC9klX/W5hD7iiLzScI4nZqUS7DNUdhPgw4xI8W2LuXlUw==",
+			"funding": [
+				{
+					"type": "individual",
+					"url": "https://github.com/sponsors/RubenVerborgh"
+				}
+			],
+			"engines": {
+				"node": ">=4.0"
+			},
+			"peerDependenciesMeta": {
+				"debug": {
+					"optional": true
+				}
+			}
+		},
+		"node_modules/form-data": {
+			"version": "4.0.5",
+			"resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
+			"integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+			"dependencies": {
+				"asynckit": "^0.4.0",
+				"combined-stream": "^1.0.8",
+				"es-set-tostringtag": "^2.1.0",
+				"hasown": "^2.0.2",
+				"mime-types": "^2.1.12"
+			},
+			"engines": {
+				"node": ">= 6"
+			}
+		},
 		"node_modules/fs-extra": {
 			"version": "7.0.1",
 			"resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
@@ -4025,6 +4202,14 @@
 				"node": "^8.16.0 || ^10.6.0 || >=11.0.0"
 			}
 		},
+		"node_modules/function-bind": {
+			"version": "1.1.2",
+			"resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
+			"integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+			"funding": {
+				"url": "https://github.com/sponsors/ljharb"
+			}
+		},
 		"node_modules/get-caller-file": {
 			"version": "2.0.5",
 			"resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -4034,6 +4219,41 @@
 				"node": "6.* || 8.* || >= 10.*"
 			}
 		},
+		"node_modules/get-intrinsic": {
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
+			"integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
+			"dependencies": {
+				"call-bind-apply-helpers": "^1.0.2",
+				"es-define-property": "^1.0.1",
+				"es-errors": "^1.3.0",
+				"es-object-atoms": "^1.1.1",
+				"function-bind": "^1.1.2",
+				"get-proto": "^1.0.1",
+				"gopd": "^1.2.0",
+				"has-symbols": "^1.1.0",
+				"hasown": "^2.0.2",
+				"math-intrinsics": "^1.1.0"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/ljharb"
+			}
+		},
+		"node_modules/get-proto": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz",
+			"integrity": "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==",
+			"dependencies": {
+				"dunder-proto": "^1.0.1",
+				"es-object-atoms": "^1.0.0"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/get-stream": {
 			"version": "5.2.0",
 			"resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.2.0.tgz",
@@ -4097,6 +4317,17 @@
 				"url": "https://github.com/sponsors/sindresorhus"
 			}
 		},
+		"node_modules/gopd": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
+			"integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==",
+			"engines": {
+				"node": ">= 0.4"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/ljharb"
+			}
+		},
 		"node_modules/graceful-fs": {
 			"version": "4.2.11",
 			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
@@ -4104,6 +4335,42 @@
 			"dev": true,
 			"license": "ISC"
 		},
+		"node_modules/has-symbols": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
+			"integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==",
+			"engines": {
+				"node": ">= 0.4"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/ljharb"
+			}
+		},
+		"node_modules/has-tostringtag": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+			"integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+			"dependencies": {
+				"has-symbols": "^1.0.3"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/ljharb"
+			}
+		},
+		"node_modules/hasown": {
+			"version": "2.0.4",
+			"resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.4.tgz",
+			"integrity": "sha512-T2UbfbBEF32wiepXIsMlTW9+dDYC6wMh/t/vYA4tuOMKqWz/n3vr1NFSxQiyP+zk2mXsoMA/i/7qV6LKut1t1A==",
+			"dependencies": {
+				"function-bind": "^1.1.2"
+			},
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/he": {
 			"version": "1.2.0",
 			"resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
@@ -4324,6 +4591,14 @@
 				"jiti": "lib/jiti-cli.mjs"
 			}
 		},
+		"node_modules/js-tiktoken": {
+			"version": "1.0.21",
+			"resolved": "https://registry.npmjs.org/js-tiktoken/-/js-tiktoken-1.0.21.tgz",
+			"integrity": "sha512-biOj/6M5qdgx5TKjDnFT1ymSpM5tbd3ylwDtrQvFQSu0Z7bBYko2dF+W/aUkXUPuk6IVpRxk/3Q2sHOzGlS36g==",
+			"dependencies": {
+				"base64-js": "^1.5.1"
+			}
+		},
 		"node_modules/js-tokens": {
 			"version": "9.0.1",
 			"resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-9.0.1.tgz",
@@ -4699,6 +4974,14 @@
 				"node": ">= 20"
 			}
 		},
+		"node_modules/math-intrinsics": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
+			"integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+			"engines": {
+				"node": ">= 0.4"
+			}
+		},
 		"node_modules/merge2": {
 			"version": "1.4.1",
 			"resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -4736,6 +5019,25 @@
 				"node": ">=10.0.0"
 			}
 		},
+		"node_modules/mime-db": {
+			"version": "1.52.0",
+			"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+			"integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+			"engines": {
+				"node": ">= 0.6"
+			}
+		},
+		"node_modules/mime-types": {
+			"version": "2.1.35",
+			"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+			"integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+			"dependencies": {
+				"mime-db": "1.52.0"
+			},
+			"engines": {
+				"node": ">= 0.6"
+			}
+		},
 		"node_modules/miniflare": {
 			"version": "4.20260301.1",
 			"resolved": "https://registry.npmjs.org/miniflare/-/miniflare-4.20260301.1.tgz",
diff --git a/package.json b/package.json
index 2ff57e4..a1a7dd3 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,7 @@
 	"dependencies": {
 		"@ai-sdk/google": "^3.0.13",
 		"@cloudflare/puppeteer": "^1.0.5",
+		"@tavily/core": "^0.7.3",
 		"@types/sanitize-html": "^2.16.0",
 		"ai": "^6.0.49",
 		"hono": "^4.11.5",
diff --git a/src/bindings.d.ts b/src/bindings.d.ts
index 53e303f..39fb8c4 100644
--- a/src/bindings.d.ts
+++ b/src/bindings.d.ts
@@ -12,6 +12,7 @@ export type Env = {
 	AI: Ai;
 	CACHE?: KVNamespace;
 	REPORTS_BUCKET?: R2Bucket;
+	TAVILY_API_KEY?: string;
 };
 
 export type Variables = {
diff --git a/src/config.ts b/src/config.ts
index 49a46d0..eedaff4 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -31,6 +31,12 @@ export const config = {
 		maxConcurrentRequests: 5,
 	},
 
+	// Tavily search
+	tavilySearch: {
+		maxResults: 5,
+		searchDepth: "advanced" as "basic" | "advanced",
+	},
+
 	// Polling intervals (ms)
 	polling: {
 		researchList: 10000,
diff --git a/src/logger.ts b/src/logger.ts
index a8374cf..f9716d0 100644
--- a/src/logger.ts
+++ b/src/logger.ts
@@ -169,7 +169,7 @@ export function logResearchError(researchId: string, error: Error): void {
 export function logSearchStart(
 	researchId: string,
 	query: string,
-	source: "web" | "autorag",
+	source: "web" | "autorag" | "tavily",
 ): void {
 	logger.info(`Starting ${source} search`, {
 		researchId,
@@ -180,7 +180,7 @@ export function logSearchStart(
 
 export function logSearchComplete(
 	researchId: string,
-	source: "web" | "autorag",
+	source: "web" | "autorag" | "tavily",
 	urlCount: number,
 	durationMs: number,
 ): void {
@@ -194,7 +194,7 @@ export function logSearchComplete(
 
 export function logSearchError(
 	researchId: string,
-	source: "web" | "autorag",
+	source: "web" | "autorag" | "tavily",
 	query: string,
 	error: Error,
 ): void {
diff --git a/src/webSearch.ts b/src/webSearch.ts
index cac30b8..5491c12 100644
--- a/src/webSearch.ts
+++ b/src/webSearch.ts
@@ -1,4 +1,5 @@
 import puppeteer, { type Browser } from "@cloudflare/puppeteer";
+import { tavily } from "@tavily/core";
 import { NodeHtmlMarkdown } from "node-html-markdown";
 import type { Env } from "./bindings";
 import {
@@ -8,6 +9,7 @@ import {
 	setCachedSearchResults,
 	setCachedUrlContent,
 } from "./cache";
+import { config } from "./config";
 import { sleep } from "./utils";
 
 export type SearchResult = {
@@ -196,6 +198,33 @@ export async function webSearch(
 	return await Promise.all(promises);
 }
 
+export interface TavilySearchOptions {
+	excludedDomains?: string[];
+}
+
+export async function tavilySearch(
+	apiKey: string,
+	query: string,
+	limit: number,
+	options?: TavilySearchOptions,
+): Promise<SearchResult[]> {
+	const client = tavily({ apiKey });
+	const response = await client.search(query, {
+		maxResults: limit,
+		searchDepth: config.tavilySearch.searchDepth,
+		includeRawContent: "markdown",
+		excludeDomains: options?.excludedDomains,
+	});
+
+	return response.results.map((result) => ({
+		title: result.title || "",
+		description: result.content || "",
+		url: result.url,
+		markdown: result.rawContent || result.content || "",
+		links: [],
+	}));
+}
+
 /**
  * Extract content from URL with caching support
  */
diff --git a/src/workflows.ts b/src/workflows.ts
index 8916bac..a8dfeaf 100644
--- a/src/workflows.ts
+++ b/src/workflows.ts
@@ -35,14 +35,19 @@ import {
 	isRateLimitError,
 	sleep,
 } from "./utils";
-import { getBrowser, type ResearchBrowser, webSearch } from "./webSearch";
+import {
+	getBrowser,
+	type ResearchBrowser,
+	tavilySearch,
+	webSearch,
+} from "./webSearch";
 
 // ============================================
 // Types for unified research
 // ============================================
 
 interface SearchStrategy {
-	name: "web" | "autorag";
+	name: "web" | "autorag" | "tavily";
 	search: (query: string) => Promise<SearchStrategyResult | null>;
 	formatUrls: (result: SearchStrategyResult) => string[];
 	formatContent: (result: SearchStrategyResult) => string[];
@@ -277,6 +282,39 @@ function createAutoRAGSearchStrategy(autorag: AutoRAG): SearchStrategy {
 	};
 }
 
+function createTavilySearchStrategy(
+	apiKey: string,
+	qb: D1QB,
+	researchId: string,
+	excludedDomains?: string[],
+): SearchStrategy {
+	return {
+		name: "tavily",
+		search: async (query: string) => {
+			await addResearchStatusHistoryEntry(
+				qb,
+				researchId,
+				`Tavily search for: ${query}`,
+			);
+			const results = await tavilySearch(
+				apiKey,
+				query,
+				config.webSearch.resultsLimit,
+				{ excludedDomains },
+			);
+			return { data: results };
+		},
+		formatUrls: (result) => {
+			const data = result.data as Array<{ url: string }>;
+			return data.map((item) => item.url).filter(Boolean);
+		},
+		formatContent: (result) => {
+			const data = result.data as Array<{ markdown: string }>;
+			return data.map((item) => item.markdown);
+		},
+	};
+}
+
 // ============================================
 // AI Processing Functions
 // ============================================
@@ -730,20 +768,36 @@ export class ResearchWorkflow extends WorkflowEntrypoint<Env, ResearchType> {
 
 			// Web research
 			if (event.payload.browse_internet) {
-				logger.info("Starting web research", { researchId: id });
 				const excludedDomains = event.payload.excluded_domains ?? [];
-				const webStrategy = createWebSearchStrategy(
-					browser,
-					qb,
-					id,
-					this.env.CACHE,
-					excludedDomains,
-				);
+
+				// Use Tavily when API key is available, otherwise fall back to DuckDuckGo+Puppeteer
+				const strategy = this.env.TAVILY_API_KEY
+					? (() => {
+							logger.info("Starting Tavily web research", {
+								researchId: id,
+							});
+							return createTavilySearchStrategy(
+								this.env.TAVILY_API_KEY,
+								qb,
+								id,
+								excludedDomains,
+							);
+						})()
+					: (() => {
+							logger.info("Starting web research", { researchId: id });
+							return createWebSearchStrategy(
+								browser,
+								qb,
+								id,
+								this.env.CACHE,
+								excludedDomains,
+							);
+						})();
 
 				const researchResult = await deepResearch({
 					step,
 					env: this.env,
-					strategy: webStrategy,
+					strategy,
 					query: fullQuery,
 					breadth: parsedBreadth,
 					depth: parsedDepth,