AI Rate CardClaude Sonnet 4.6 vs GPT-5.5: API price and specs
Claude Sonnet 4.6 is 90% cheaper than GPT-5.5 on input price.
Claude Sonnet 4.6 is 94% cheaper than GPT-5.5 on output price.
Claude Sonnet 4.6 is 92% cheaper than GPT-5.5 on a 1M-in / 200k-out workload.
GPT-5.5 has a 5% larger context than Claude Sonnet 4.6.
| Field | Claude Sonnet 4.6 | GPT-5.5 |
|---|---|---|
| Lowest input, per 1M | $0.15 | $1.50 +900% |
| Median input, per 1M | $3.00 | $5.00 +66.7% |
| Lowest output, per 1M | $0.75 | $12.00 +1500% |
| Median output, per 1M | $15.00 | $30.00 +100% |
| Lowest unit price | $0.001 / request | $0.001 / request |
| Cost of 1M in + 200k out | $0.30 | $3.90 +1200% |
| Context | 1M +4.8% | 1.1M |
| Max output | 128K | 128K |
| Providers | 36 | 30 +16.7% |
| Regions | APAC, AU, EU, GLOBAL, JP, US | EU, GLOBAL, US |
| Accepts | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text |
| Returns | text | image, text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | daoxe | xpersona |
Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.
Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.
Providers selling both
abacus, aihubmix, amazon-bedrock, azure, cometapi, daoxe, digitalocean, edenai, fastrouter, freemodel, github-copilot, impossibl, jiekou, kenari, kilo, meganova, nearai, ofox, opencode, openrouter, orcarouter, perplexity-agent, poe, requesty, trustedrouter, vercel, xpersona, zenmux
Frequently asked questions
Which is cheaper, Claude Sonnet 4.6 or GPT-5.5?
Claude Sonnet 4.6 is 90% cheaper than GPT-5.5 on input price. Claude Sonnet 4.6 is 94% cheaper than GPT-5.5 on output price. Claude Sonnet 4.6 is 92% cheaper than GPT-5.5 on a 1M-in / 200k-out workload.
Which has the larger context, Claude Sonnet 4.6 or GPT-5.5?
Claude Sonnet 4.6: 1M tokens; GPT-5.5: 1.1M tokens.
Where can I use both Claude Sonnet 4.6 and GPT-5.5?
abacus, aihubmix, amazon-bedrock, azure, cometapi, daoxe, digitalocean, edenai, fastrouter, freemodel, github-copilot, impossibl, jiekou, kenari, kilo, meganova, nearai, ofox, opencode, openrouter, orcarouter, perplexity-agent, poe, requesty, trustedrouter, vercel, xpersona, zenmux