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.

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Capabilities

Thinking

Technical Specifications

Context Window

128,000 tokens

Max Output

16,384 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$1.25

Non-Reasoning Output

$1.25

Legacy

Made legacy on

Reason

671B model; high cost; limited provider support

Recommended Replacement

Qwen3.6 Plus