Claude Opus 4.1 vs GPT-5 Pro
Claude Opus 4.1 costs 1.6x less per output token.
Which Is Cheaper?
At 1M tokens/mo
Claude Opus 4.1: $45
GPT-5 Pro: $68
At 10M tokens/mo
Claude Opus 4.1: $450
GPT-5 Pro: $675
At 100M tokens/mo
Claude Opus 4.1: $4500
GPT-5 Pro: $6750
Which Performs Better?
| Test | Claude Opus 4.1 | GPT-5 Pro |
|---|---|---|
| Structured Output | — | — |
| Strategic Analysis | — | — |
| Constrained Rewriting | — | — |
| Creative Problem Solving | — | — |
| Tool Calling | — | — |
| Faithfulness | — | — |
| Classification | — | — |
| Long Context | — | — |
| Safety Calibration | — | — |
| Persona Consistency | — | — |
| Agentic Planning | — | — |
| Multilingual | — | — |