Cogito v2.1

Nov 2025
Cogito v2.1
Compare in
on
—per task?
price not verifiedprice
—output speed?
128Kcontext

Ranking?

Strong at

B
Reasoning#163 of 336Science#136 of 312Knowledge#138 of 320
C
Long context#232 of 314Instructions#125 of 245

Run it yourself

estimate
Fits on✗ 8 GB (phone, laptop)✗ 16 GB✗ 24 GB GPU✗ 48 GB GPU✗ 80 GB GPU
LicenceMITfree for commercial use

Benchmarks

all categories
Chat & Knowledge
Humanity's Last Exam12#164
AA Omniscience Index-25.8#139
CritPt (physics)0#182
AA Omniscience · Accuracy30.2#77
AA Omniscience · Hallucination Rate80.2#167
AA-LCR (long context) 1.122.7#234
GPQA Diamond76.8#137
AIME 2025 · AA archived72.7#64
Coding
Terminal-Bench Hard (version unstated)16.7#104
LiveCodeBench · AA archived68.8#51
Writing & Language
IFBench (instructions)46.3#126

Watch out 2

At least 8 B200s · Self-hosted›

BF16 parameters occupy about 1.3 TB and require at least 8 B200s or 16 H200s; use the FP8 version for 8 H200s. Source ↗

Hybrid models can be brittle · Self-hosted›

When thinking is enabled, the lab initiates every output with a think prefix to ensure the hybrid model respects thinking. Source ↗

FAQ

How much does Cogito v2.1 cost?›

There is no per-unit API price: price not verified.

How good is Cogito v2.1, and what is it best at?›

#163 of 336 in Chat & Knowledge, #103 of 239 in Coding, #103 of 239 in Agents & Tool Use, #125 of 245 in Writing & Language.

Is Cogito v2.1 better than Apriel v1.5 15B Thinker?›

On Humanity's Last Exam, Cogito v2.1 scores 12 vs 12.1 — about the same.

What is the context window of Cogito v2.1?›

128K tokens.

When was Cogito v2.1 released? Is there a newer version?›

Released 2025-11-18. It is the current version in its line.

Is Cogito v2.1 open source?›

Yes, the weights are open (MIT licence).

Can I run Cogito v2.1 locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

Can Cogito v2.1 read images?›

No, it accepts text only.

What is Cogito v2.1?›

Cogito v2.1 is an open-weights language model from Deep Cogito, released Nov 2025.

What are the best alternatives to Cogito v2.1?›

GPT-6 Luna (better), MiMo v2.6 Pro (open weights).