Deep Cogito Models
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Cogito v2.1 671B

671B

by Deep Cogito

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.

Chat with Cogito v2.1 671B
Input Price$1.25/1M tokens
Output Price$1.25/1M tokens
IntelligenceN/A
Coding24.8

Specifications

Technical details and pricing.

ProviderDeep Cogito
Context Window128,000 tokens
Release DateNov 18, 2025
ModalitiesText

Benchmarks

9 benchmark scores from Artificial Analysis.

GPQA76.8%
MMLU Pro84.9%
HLE11.0%
LiveCodeBench68.8%
AIME 202572.7%
SciCode41.0%
LCR21.7%
IFBench46.3%
TerminalBench Hard16.7%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is Cogito v2.1 671B good for?

Use Cogito v2.1 671B for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does Cogito v2.1 671B cost?

Pricing is based on usage. Current rates are $1.25/1M tokens for input and $1.25/1M tokens for output.

Can I try Cogito v2.1 671B for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does Cogito v2.1 671B support images or audio?

Cogito v2.1 671B focuses on text-based tasks.

Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.