Claude Sonnet 4 vs o3
Model specifications and API prices, with sources where recorded and explicit verification gaps.
At a glance
- Input / 1M tokens: Not available for both entries.
- Output / 1M tokens: Not available for both entries.
- Equal context windows: 200,000 versus 200,000 tokens.
- Benchmark winner: Not available without comparable, versioned evaluation evidence. Reported results are listed below.
| Compare | Claude Sonnet 4 | o3 |
|---|---|---|
| Input / 1M tokens | Not available | Not available |
| Output / 1M tokens | Not available | Not available |
| Context window | 200000 | 200000 |
| Release date | 2025-05-22 | 2025-04-16 |
| Modalities | text, image | text, image |
| API access | Yes | Yes |
| Categories | codingwriting | codingresearchdata |
Reported benchmarks
These catalogue results do not record a benchmark edition or tested configuration. They are not used to declare an overall winner. See current versioned LiveBench rankings for the independently collected frontier results.
Claude Sonnet 4
Not available
o3
Not available
Claude Sonnet 4
Sources & updates
Last verified: Unverified · Primary official source ↗
Recent catalogue changes
No recorded catalogue changes. Daily benchmark archives are maintained separately.
o3
Sources & updates
Last verified: Unverified · Primary official source ↗
Recent catalogue changes
No recorded catalogue changes. Daily benchmark archives are maintained separately.