Deep Cogito: Cogito v2.1 671B

Deep Cogito: Cogito v2.1 671B

deepcogito · Released Nov 13, 2025 Efficient
Intelligence #240 / 556
36.1 Our Score
Speed #160 / 257
73.2 tokens / sec
Input #443 / 557
$1.25 per 1M tokens
Output #331 / 557
$1.25 per 1M tokens
Context #315 / 557
128,000 tokens

Analysis Summary

Deep Cogito: Cogito v2.1 671B sits in the Efficient tier on our leaderboard, ranked #240 of 556 published models on overall intelligence. At $1.25 input and $1.25 output per 1M tokens, it is among the most expensive on the market. It offers a standard large context window.

Editorial notes

Deep Cogito Cogito v2.1 671B has no intelligence index and limited agentic capability, but shows reasonable GPQA and MMLU-Pro scores; the absence of tool use and vision caps its business utility.

Assessed May 14, 2026

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence0Technical3.8Value6.8Content4.5
Intelligence 0/10
Technical 3.8/10
Content 4.5/10
Value 6.8/10

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..

671B Parameters

Performance Indices

Source: Artificial Analysis

24.8 Coding Index
16.7 Agentic Index
72.7 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 76.8% Graduate-level scientific reasoning
HLE 11% Humanity's Last Exam
MMLU Pro 84.9% Multi-task language understanding
AIME 2025 72.7% Competition mathematics (2025)
SciCode 41% Scientific computing

Technical

LiveCodeBench 68.8% Live coding evaluation
TerminalBench Hard 16.7% Agentic terminal tasks

Content

IFBench 46.3% Instruction following
LCR 21.7% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Deep Cogito: Cogito v2.1 671B stack up?

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Model Information

OpenRouter ID deepcogito/cogito-v2.1-671b
Providerdeepcogito
Release Date November 13, 2025
Context Length128,000 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $1.25 $0.001250
Output $1.25 $0.001250

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

100%
Avg Uptime
299ms
Best Latency (TTFT)
46.5 tok/s
Best Throughput
1/1
Active Endpoints
Available via: Together

Leaderboard Categories