AI Rate CardClaude Opus 4.8 vs gpt-5.6: API price and specs
Claude Opus 4.8 is 23% cheaper than gpt-5.6 on output price.
Claude Opus 4.8 is 14% cheaper than gpt-5.6 on a 1M-in / 200k-out workload.
Claude Opus 4.8 has a 181.9% larger context than gpt-5.6.
| Field | Claude Opus 4.8 | gpt-5.6 |
|---|---|---|
| Lowest input, per 1M | $1.50 | $1.50 |
| Median input, per 1M | $5.00 +112.8% | $2.35 |
| Lowest output, per 1M | $9.25 | $12.00 +29.7% |
| Median output, per 1M | $25.00 +78.6% | $14.00 |
| Lowest unit price | $0.001 / request | $0.001 / request |
| Cost of 1M in + 200k out | $3.35 | $3.90 +16.4% |
| Context | 1M | 372K +64.5% |
| Max output | 128K | 8K +93.6% |
| Providers | 34 | 2 +94.1% |
| Regions | APAC, AU, EU, GLOBAL, JP, US | — |
| Accepts | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text | image, text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | xpersona | 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
Frequently asked questions
Which is cheaper, Claude Opus 4.8 or gpt-5.6?
Claude Opus 4.8 is 23% cheaper than gpt-5.6 on output price. Claude Opus 4.8 is 14% cheaper than gpt-5.6 on a 1M-in / 200k-out workload.
Which has the larger context, Claude Opus 4.8 or gpt-5.6?
Claude Opus 4.8: 1M tokens; gpt-5.6: 372K tokens.
Where can I use both Claude Opus 4.8 and gpt-5.6?
cometapi, xpersona