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 →Deep Cogito: Cogito v2.1 671B vs Anthropic: Claude Fable Latest
Anthropic: Claude Fable 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 Claude Fable family.
Model details →Side-by-side comparison
| Capability | Deep Cogito: Cogito v2.1 671B | Anthropic: Claude Fable Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 1M | 🏆 Anthropic: Claude Fable Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.25 | $10.00 | 🏆 Deep Cogito: Cogito v2.1 671B |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.25 | $50.00 | 🏆 Deep Cogito: Cogito v2.1 671B |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Anthropic: Claude Fable Latest |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Anthropic: Claude Fable Latest |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Deep Cogito: Cogito v2.1 671B better than Anthropic: Claude Fable Latest?
Anthropic: Claude Fable Latest wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Deep Cogito: Cogito v2.1 671B and Anthropic: Claude Fable Latest?
Input: $1.25 vs $10.00 per 1M tokens. Output: $1.25 vs $50.00 per 1M tokens.
What context windows do Deep Cogito: Cogito v2.1 671B and Anthropic: Claude Fable Latest support?
Deep Cogito: Cogito v2.1 671B supports up to 128K tokens. Anthropic: Claude Fable Latest supports up to 1M tokens.
Do both Deep Cogito: Cogito v2.1 671B and Anthropic: Claude Fable Latest support tool calling?
Deep Cogito: Cogito v2.1 671B: not advertised. Anthropic: Claude Fable Latest: yes.
Compare Deep Cogito: Cogito v2.1 671B with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest