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| 3 models | bytedance-seedByteDance Seed: Seed 1.6Remove × | ByteDanceSeed-2.0-codeRemove × | openaiOpenAI: GPT-6 LunaRemove × |
|---|---|---|---|
| What’s different | Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window. | A coding model optimized for real-world development environments, with reliable tool use in common IDEs such as Claude Code. It delivers strong front-end performance and supports Skills. | Can turn reasoning off for high-volume requests; Chat Completions tool calls require reasoning_effort=none. |
| Date | Dec 23, 2025Listed | Apr 29, 2026Listed | Sep 22, 2026Released |
API prices USD · provider configuration shown below | |||
| Listed rate | $0.25 in / $2.00 out/ 1M tokensSeed · via OpenRouter · all routes ↗seed/fp8 · quantization=fp8 · prompt ≤ 128000 tokens | $0.50 in / $3.00 out/ 1M tokensDeepInfra · all routes ↗ | $0.05 in / $0.25 out/ 1M tokensOpenAI · via OpenRouter · all routes ↗openai/flex · tier=flex · prompt ≤ 272000 tokens |
| Provider endpoints | 2 endpoints → | 1 endpoint → | 9 endpoints → |
Benchmarks Each result retains its evaluation configuration | |||
| AA Intelligence ↗4.3.2 | Not reported | Not reported | 38.12 ↗Effort: max · MaxIndependent result |
| AA-Briefcase ↗1.1 | Not reported | Not reported | 1,334.83 ↗Effort: max · MaxIndependent result |
| GDPval-AA ↗2.1 | Not reported | Not reported | 1,431.86 ↗Effort: max · MaxIndependent result |
| AutomationBench-AA ↗AA Index 4.3.2 collection | Not reported | Not reported | 53.17% ↗Effort: max · MaxIndependent result |
| Terminal-Bench 4.0 · AA ↗ | Not reported | Not reported | 12.63% ↗Effort: max · MaxHarness unreportedIndependent result |
| SciCode ↗AA Index 4.3.2 collection | Not reported | Not reported | 54.63% ↗AA · Under reviewEffort: max · MaxIndependent result |
| Humanity’s Last Exam ↗AA Index 4.3.2 collection | Not reported | Not reported | 38.51% ↗Effort: max · MaxIndependent result |
| GDP.pdf ↗AA Index 4.3.2 collection | Not reported | Not reported | 22.8% ↗Effort: max · MaxIndependent result |
| CritPt ↗AA Index 4.3.2 collection | Not reported | Not reported | 19.43% ↗AA · Under reviewEffort: max · MaxIndependent result |
| AA-Omniscience ↗AA Index 4.3.2 collection | Not reported | Not reported | 0.65 ↗Effort: max · MaxIndependent result |
| AA-LCR ↗1.1 | Not reported | Not reported | 83.33% ↗Effort: max · MaxIndependent result |
| LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 69.4% ↗Effort: max · single run · equal mean of 7 suitesIndependent result |
| LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 82.5% ↗Effort: max · single runIndependent result |
| LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 43.5% ↗Effort: max · single runIndependent result |
| LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 72% ↗Effort: max · single runIndependent result |
| LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 84.5% ↗Effort: max · single runIndependent result |
| LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 48.1% ↗Effort: max · single runIndependent result |
| LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 73.4% ↗Effort: max · single runIndependent result |
| LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | Not reported | 81.8% ↗Effort: max · single runIndependent result |
Specifications | |||
| Context window | 262.1K | 256K | 1.1M |
| Max output | 32.8K | — | 128K |
| Parameters | — | — | — |
| Tool calling | Supported | Not reported | Supported |
| Structured output | Supported | Not reported | Supported |
| Image input | Supported | Not reported | Supported |
| Video input | Supported | Not reported | Not reported |
| Reasoning | Supported | Not reported | Supported |
| Prompt caching | Not reported | Not reported | Supported |