Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding…
Model details →Anthropic: Claude Opus 4.5 (batch) vs Deep Cogito: Cogito v2.1 671B
Anthropic: Claude Opus 4.5 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Cogito v2.1 671B MoE represents one of the strongest open models globally, matching performance of frontier closed and open models. This model is trained using self play with reinforcement learning...
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 4.5 (batch) | Deep Cogito: Cogito v2.1 671B | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 128K | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $1.25 | 🏆 Deep Cogito: Cogito v2.1 671B |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.50 | $1.25 | 🏆 Deep Cogito: Cogito v2.1 671B |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Opus 4.5 (batch) better than Deep Cogito: Cogito v2.1 671B?
Anthropic: Claude Opus 4.5 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Opus 4.5 (batch) and Deep Cogito: Cogito v2.1 671B?
Input: $2.50 vs $1.25 per 1M tokens. Output: $12.50 vs $1.25 per 1M tokens.
What context windows do Anthropic: Claude Opus 4.5 (batch) and Deep Cogito: Cogito v2.1 671B support?
Anthropic: Claude Opus 4.5 (batch) supports up to 200K tokens. Deep Cogito: Cogito v2.1 671B supports up to 128K tokens.
Do both Anthropic: Claude Opus 4.5 (batch) and Deep Cogito: Cogito v2.1 671B support tool calling?
Anthropic: Claude Opus 4.5 (batch): yes. Deep Cogito: Cogito v2.1 671B: not advertised.
Compare Anthropic: Claude Opus 4.5 (batch) with other models
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