Model comparison
Cogito v2.1 671B vs GPT-5
Capability radar, value bars, and side-by-side posture.
Cogito v2.1 671B
Not scored
value score
GPT-5
94
value score
Cogito v2.1 671B ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | Cogito v2.1 671B | GPT-5 |
|---|---|---|
| Developer | Deep Cogito | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | Cogito v2.1 671B is Deep Cogito's flagship open-weight 671B-parameter Mixture-of-Experts language model supporting both direct-response and optional self-reflection reasoning modes. It targets coding, STEM, instruction following, tool calling, and general reasoning with a 128K context window under a commercial-use open license. | OpenAI frontier multimodal model. |