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Deep Cogito: Cogito v2.1 671B

deepcogito/cogito-v2.1-671b

Created Nov 13, 2025128,000 context
$1.25/M input tokens$1.25/M output tokens

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.

Recent activity on Cogito v2.1 671B

Total usage per day on OpenRouter

Prompt
6.04M
Completion
414K
Reasoning
148K

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.