Claude Sonnet 5 VS GPT-5.6 Sol
Anthropic · OpenAI · AI Models · Updated Sep 9, 2026
🤝It's a Tie— very close value
Side-by-Side Breakdown
| Feature | Claude Sonnet 5 | GPT-5.6 Sol | Winner |
|---|---|---|---|
| Input Price | $2.00/1M tkns | $2.00/1M tkns | — |
| Output Price | $10.00/1M tkns | $10.00/1M tkns | — |
| Provider | Anthropic | OpenAI | — |
| Category | ai-model | ai-model | — |
| context window | 1000000 | 1050000 | |
| modalities | text+image+file->text | text+image+file->text | |
| vision | true | true | |
| Overall Winner | Tie |
Claude Sonnet 5 vs GPT-5.6 Sol: Quick Summary
Claude Sonnet 5 and GPT-5.6 Sol offer very similar pricing. Claude Sonnet 5 (by Anthropic) costs $2.00/1M tkns per 1M tokens, while GPT-5.6 Sol (by OpenAI) costs $2.00/1M tkns per 1M tokens. Choose based on your specific feature requirements, support, and ecosystem fit.
Claude Sonnet 5 vs GPT-5.6 Sol: Full Pricing Analysis
Claude Sonnet 5 and GPT-5.6 Sol are priced almost identically at $2.00/1M tkns and $2.00/1M tkns respectively (Input Price). At this margin, price is unlikely to be your deciding factor — weigh Anthropic’s and OpenAI’s feature sets, regional coverage, support tiers and how each fits the rest of your stack.