Claude Opus 4.6 vs GPT-5.5: Web Search Showdown
| Claude Opus 4.6 | GPT-5.5 | |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Text & Chat | #5 · 1503 | #23 · 1481 |
| Vision | #3 · 1299 | #14 · 1287 |
| Web Search | #2 · 1253 | #3 · 1242 |
| AI Agents | — | #13 · 4.71 |
| Official price | $5 / $25 per 1M in/out | $5 / $30 per 1M in/out |
| On this site | — | — |
Verdict
On the Web Search board, Claude Opus 4.6 sits at #2 with a 1253 index, edging out GPT-5.5 at #3 with 1242. Both share identical $5.00/M input pricing, but Opus 4.6 is cheaper on output at $25.00/M versus $30.00/M. Neither model is currently available on this site. Opus 4.6 also leads in Vision (#3 vs #14) and Text & Chat (#5 vs #23), while GPT-5.5 appears on the AI Agents board (#13).
Choose Claude Opus 4.6 if
- Better web search rank and lower output cost
- Stronger across vision and general chat
Choose GPT-5.5 if
- Listed on AI Agents leaderboard
- Same input price, different vendor option
Compare them yourself
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