Claude Opus 4.8 VS GPT-5.5
Anthropic · OpenAI · AI Models · Updated Jun 1, 2026
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Claude Opus 4.8Anthropic · Claude Opus 4.8 is 16.7% cheaper
WINNERSide-by-Side Breakdown
| Feature | Claude Opus 4.8 | GPT-5.5 | Winner |
|---|---|---|---|
| Input Price | $5.00/1M tkns | $5.00/1M tkns | — |
| Output Price | $25.00/1M tkns | $30.00/1M tkns | ✓ Claude Opus 4.8 |
| Provider | Anthropic | OpenAI | — |
| Category | ai-model | ai-model | — |
| context window | 1000000 | 1050000 | |
| vision | true | true | |
| modalities | text+vision | text+vision | |
| Overall Winner | Tie |
Claude Opus 4.8 vs GPT-5.5: Quick Summary
Claude Opus 4.8 is the more affordable choice. Claude Opus 4.8 costs $5.00/1M tkns vs GPT-5.5 at $5.00/1M tkns (Input Price). Claude Opus 4.8 is 16.7% cheaper. Pricing verified as of Jun 1, 2026 — always confirm on the provider's official pricing page before committing.