Deep CogitoCogito v2.1
Cogito v2.1 is a Deep Cogito open-weights reasoning model, released 19 Nov 2025. Its best configuration (thinking reasoning effort) ranks #484 of 785 on the BenchLeader Index at 46.6 ±4.9, in the lower half. The ± is the point: 330 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in knowledge (50) and lowest in long context (35). It has been measured at 2 reasoning-effort settings; this summary describes the best-scoring one, and the tabs above switch between them. Last measured 18 Nov 2025.stale: no new result in six months
- Blended price
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- Output speed
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- First answer
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- Context
- 128k
- Full answer
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- Cost per run
- –
- Released
- 19 Nov 2025
- Overall index47
- Reasoning41
- Agents & tools48
- Knowledge50
- Instruction following48
- Long context35
Reasoning-effort configurations
The same model behaves differently depending on how much it is allowed to think. Each row is one setting, scored only on the benchmarks that were run at that setting. “Not stated” collects results from publishers that did not say which setting they used; for a reasoning model that is usually its thinking mode, but we do not assume it. Pick a setting here or at the top of the page to see its price, speed and category scores.
| Effort | Index | Rank | Speed | First answer | Chat reply cost | Categories |
|---|---|---|---|---|---|---|
| thinkingbest | 46.6 | #484 | – | – | – | Agents & tools 48 · Instruction following 48 · Knowledge 50 · Long context 35 · Reasoning 41 |
| not stated | – | – | – | – | – | Coding 42 |
How its index has moved
19 Sept 2026 to 19 Oct 2026The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | thinking | Source |
|---|---|---|
| GPQA Diamond (AA)not in index | 76.8%#228 | Artificial Analysis |
| Humanity's Last Exam (AA)not in index | 12.0%#284 | Artificial Analysis |
| CritPt | 0.0%#315 | Artificial Analysis |
Agents & tools
| Benchmark | thinking | Source |
|---|---|---|
| Terminal-Bench Hard | 16.7%#184 | Artificial Analysis |
Knowledge
| Benchmark | thinking | Source |
|---|---|---|
| AA-Omniscience | -25.8#262 | Artificial Analysis |
| AA-Omniscience: accuracynot in index | 30.2%#181 | Artificial Analysis |
| AA-Omniscience: non-hallucinationnot in index | 19.8%#280 | Artificial Analysis |
Instruction following
| Benchmark | thinking | Source |
|---|---|---|
| IFBench | 46.3%#194 | Artificial Analysis |
Long context
| Benchmark | thinking | Source |
|---|---|---|
| AA-LCR | 22.7%#420 | Artificial Analysis |
See also
Questions people ask
- What are Cogito v2.1's benchmark scores?
- As of 25 Oct 2026, Cogito v2.1 (thinking effort) scores 46.6 ±4.9 on the BenchLeader Index, strongest in knowledge (50) and weakest in long context (35). That rests on 5 independent benchmark results, and every score on this page links to its publisher.
- How does Cogito v2.1 rank?
- Cogito v2.1 (thinking effort) is #484 of 785 ranked configurations on 25 Oct 2026. 330 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
- When was Cogito v2.1 released?
- Deep Cogito released Cogito v2.1 on 19 Nov 2025. BenchLeader has results for it at 2 reasoning-effort settings.
Data as of 25 Oct 2026. Compare these configurations.
Cite as: BenchLeader, “Cogito v2.1: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/cogito-v2-1.