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| 3 models | Unknownseed-2.0-codeRemove × | reflectionReflection: Beam 1.0 501B A23BRemove × | anthropicAnthropic: Claude Sonnet 5.5Remove × |
|---|---|---|---|
| What’s different | 262.1K context · 131.1K max output · Tool calling · Structured output | Apache-2.0 text model with 501B total and 23B active parameters; ships BF16, FP8 and NVFP4 weights. | Tuned for quick iteration on scoped fixes and documents; Anthropic favors Opus 5.5 for open-ended work needing sustained judgment. |
| Date | Oct 16, 2026Discovered | Oct 16, 2026Released | Sep 28, 2026Released |
API prices USD · provider configuration shown below | |||
| Listed rate | $0.50 in / $3.00 out/ 1M tokensExperiential · all routes ↗Standard · fewer than 128,001 input tokens | $0.25 in / $1.00 out/ 1M tokensNebius · via OpenRouter · all routes ↗nebius/fp8 · quantization=fp8 | $2.00 in / $10.00 out/ 1M tokensAmazon Bedrock · via OpenRouter · all routes ↗amazon-bedrock |
| Provider endpoints | 1 endpoint → | 6 endpoints → | 11 endpoints → |
Benchmarks Each result retains its evaluation configuration | |||
| AA Intelligence ↗4.3.2 | Not reported | 30.33 ↗Effort not specifiedIndependent result | 56 ↗Effort: max · Max, Default FallbackIndependent result |
| AA-Briefcase ↗1.1 | Not reported | 976.2 ↗Effort not specifiedIndependent result | 1,817.26 ↗Effort: max · Max, Default FallbackIndependent result |
| GDPval-AA ↗2.1 | Not reported | 1,177.08 ↗Effort not specifiedIndependent result | 1,837.82 ↗Effort: max · Max, Default FallbackIndependent result |
| AutomationBench-AA ↗AA Index 4.3.2 collection | Not reported | 48.46% ↗Effort not specifiedIndependent result | 71.77% ↗Effort: max · Max, Default FallbackIndependent result |
| Terminal-Bench 4.0 · AA ↗ | Not reported | 3.03% ↗Effort not specifiedHarness unreportedIndependent result | 63.64% ↗Effort: max · Max, Default FallbackHarness unreportedIndependent result |
| SciCode ↗AA Index 4.3.2 collection | Not reported | 48.5% ↗AA · Under reviewEffort not specifiedIndependent result | 61% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result |
| Humanity’s Last Exam ↗AA Index 4.3.2 collection | Not reported | 34.66% ↗Effort not specifiedIndependent result | 54.96% ↗Effort: max · Max, Default FallbackIndependent result |
| GDP.pdf ↗AA Index 4.3.2 collection | Not reported | 11.6% ↗Effort not specifiedIndependent result | 25.8% ↗Effort: max · Max, Default FallbackIndependent result |
| CritPt ↗AA Index 4.3.2 collection | Not reported | 13.14% ↗AA · Under reviewEffort not specifiedIndependent result | 31.43% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result |
| AA-Omniscience ↗AA Index 4.3.2 collection | Not reported | 1.5 ↗Effort not specifiedIndependent result | 32.3 ↗Effort: max · Max, Default FallbackIndependent result |
| AA-LCR ↗1.1 | Not reported | 78% ↗Effort not specifiedIndependent result | 82.67% ↗Effort: max · Max, Default FallbackIndependent result |
| LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 55.5% ↗Effort: max · single run · equal mean of 7 suitesIndependent result | 82.46% ↗Effort: max · single run · equal mean of 7 suitesIndependent result |
| LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 67.9% ↗Effort: max · single runIndependent result | 85% ↗Effort: max · single runIndependent result |
| LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 72.8% ↗Effort: max · single runIndependent result | 83.6% ↗Effort: max · single runIndependent result |
| LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 0% ↗Effort: max · single runIndependent result | 84% ↗Effort: max · single runIndependent result |
| LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 83.9% ↗Effort: max · single runIndependent result | 94.7% ↗Effort: max · single runIndependent result |
| LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 17.3% ↗Effort: max · single runIndependent result | 78.8% ↗Effort: max · single runIndependent result |
| LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 66.4% ↗Effort: max · single runIndependent result | 59.5% ↗Effort: max · single runIndependent result |
| LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 80.2% ↗Effort: max · single runIndependent result | 91.6% ↗Effort: max · single runIndependent result |
Specifications | |||
| Context window | 262.1K | 1M | 1M |
| Max output | 131.1K | 943.7K | 128K |
| Parameters | — | 501B | — |
| Tool calling | Supported | Supported | Supported |
| Structured output | Supported | Supported | Supported |
| Image input | Not reported | Not reported | Supported |
| Reasoning | Supported | Supported | Supported |
| Prompt caching | Not reported | Supported | Supported |
| Open weights | Not reported | Supported | Not reported |