Cogito v2.1 671B

deepcogito

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 to reach state-of-the-art performance on multiple categories (instruction following, coding, longer queries and creative writing). This advanced system demonstrates significant progress toward scalable superintelligence through policy improvement.

Try Now

Capabilities

Extended Thinking

Example Use Cases

Frontier open-source reasoning

Advanced coding or creative writing

Instruction-following with thinking

Technical Specifications

Context Window

128,000 tokens

Max Output

16,384 tokens

Cache Miss Cost

$1.25 per 1M tokens

Non-Reasoning Cost

$1.25 per 1M tokens

Web Search Cost

$15 per 1K calls

Code Execution Cost

$0.19 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus