The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...
Model details →OpenAI: o1 vs Anthropic Claude Sonnet Latest
Anthropic Claude Sonnet Latest wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | OpenAI: o1 | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 1M | 🏆 Anthropic Claude Sonnet Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $15.00 | $2.00 | 🏆 Anthropic Claude Sonnet Latest |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $60.00 | $10.00 | 🏆 Anthropic Claude Sonnet Latest |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: o1 better than Anthropic Claude Sonnet Latest?
Anthropic Claude Sonnet Latest wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: o1 and Anthropic Claude Sonnet Latest?
Input: $15.00 vs $2.00 per 1M tokens. Output: $60.00 vs $10.00 per 1M tokens.
What context windows do OpenAI: o1 and Anthropic Claude Sonnet Latest support?
OpenAI: o1 supports up to 200K tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both OpenAI: o1 and Anthropic Claude Sonnet Latest support tool calling?
OpenAI: o1: yes. Anthropic Claude Sonnet Latest: yes.
Compare OpenAI: o1 with other models
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