AI Rate CardClaude Sonnet 3.5 v2 vs OpenAI ChatGPT-4o: API price and specs
Claude Sonnet 3.5 v2 is 42% cheaper than OpenAI ChatGPT-4o on input price.
Claude Sonnet 3.5 v2 is 7% cheaper than OpenAI ChatGPT-4o on output price.
Claude Sonnet 3.5 v2 is 29% cheaper than OpenAI ChatGPT-4o on a 1M-in / 200k-out workload.
Claude Sonnet 3.5 v2 has a 56.2% larger context than OpenAI ChatGPT-4o.
| Field | Claude Sonnet 3.5 v2 | OpenAI ChatGPT-4o |
|---|---|---|
| Lowest input, per 1M | $2.60 | $4.50 +73.1% |
| Median input, per 1M | $2.80 | $4.89 +74.6% |
| Lowest output, per 1M | $13.00 | $14.00 +7.7% |
| Median output, per 1M | $14.00 | $14.91 +6.5% |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $5.20 | $7.30 +40.4% |
| Context | 200K | 128K +36% |
| Max output | 8K +50% | 16K |
| Providers | 2 | 2 |
| Regions | — | — |
| Accepts | image, pdf, text | image, text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | poe | poe |
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 Sonnet 3.5 v2 or OpenAI ChatGPT-4o?
Claude Sonnet 3.5 v2 is 42% cheaper than OpenAI ChatGPT-4o on input price. Claude Sonnet 3.5 v2 is 7% cheaper than OpenAI ChatGPT-4o on output price. Claude Sonnet 3.5 v2 is 29% cheaper than OpenAI ChatGPT-4o on a 1M-in / 200k-out workload.
Which has the larger context, Claude Sonnet 3.5 v2 or OpenAI ChatGPT-4o?
Claude Sonnet 3.5 v2: 200K tokens; OpenAI ChatGPT-4o: 128K tokens.
Where can I use both Claude Sonnet 3.5 v2 and OpenAI ChatGPT-4o?
helicone, poe