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| 2 models | metaMeta: Muse Spark 1.2 ContributorRemove × | anthropicAnthropic: Claude Sonnet 5.5Remove × |
|---|---|---|
| What’s different | Muse Spark 1.2 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark... | Tuned for quick iteration on scoped fixes and documents; Anthropic favors Opus 5.5 for open-ended work needing sustained judgment. |
| Date | Aug 21, 2026Listed | Sep 28, 2026Released |
API prices USD · provider configuration shown below | ||
| Listed rate | $0.10 in / $0.20 out/ 1M tokensMeta · via OpenRouter · all routes ↗meta | $2.00 in / $10.00 out/ 1M tokensAmazon Bedrock · via OpenRouter · all routes ↗amazon-bedrock |
| Provider endpoints | 2 endpoints → | 11 endpoints → |
Benchmarks Each result retains its evaluation configuration | ||
| AA Intelligence ↗4.3.2 | Not reported | 56 ↗Effort: max · Max, Default FallbackIndependent result |
| AA-Briefcase ↗1.1 | Not reported | 1,816.92 ↗Effort: max · Max, Default FallbackIndependent result |
| GDPval-AA ↗2.1 | Not reported | 1,837.82 ↗Effort: max · Max, Default FallbackIndependent result |
| AutomationBench-AA ↗AA Index 4.3.2 collection | Not reported | 71.77% ↗Effort: max · Max, Default FallbackIndependent result |
| Terminal-Bench 4.0 · AA ↗ | Not reported | 63.64% ↗Effort: max · Max, Default FallbackHarness unreportedIndependent result |
| SciCode ↗AA Index 4.3.2 collection | Not reported | 61% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result |
| Humanity’s Last Exam ↗AA Index 4.3.2 collection | Not reported | 54.96% ↗Effort: max · Max, Default FallbackIndependent result |
| GDP.pdf ↗AA Index 4.3.2 collection | Not reported | 25.8% ↗Effort: max · Max, Default FallbackIndependent result |
| CritPt ↗AA Index 4.3.2 collection | Not reported | 31.43% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result |
| AA-Omniscience ↗AA Index 4.3.2 collection | Not reported | 32.3 ↗Effort: max · Max, Default FallbackIndependent result |
| AA-LCR ↗1.1 | Not reported | 82.67% ↗Effort: max · Max, Default FallbackIndependent result |
| LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 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 | 85% ↗Effort: max · single runIndependent result |
| LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 83.6% ↗Effort: max · single runIndependent result |
| LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 84% ↗Effort: max · single runIndependent result |
| LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 94.7% ↗Effort: max · single runIndependent result |
| LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 78.8% ↗Effort: max · single runIndependent result |
| LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 59.5% ↗Effort: max · single runIndependent result |
| LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02) | Not reported | 91.6% ↗Effort: max · single runIndependent result |
Specifications | ||
| Context window | 1M | 1M |
| Max output | 943.7K | 128K |
| Parameters | — | — |
| Tool calling | Supported | Supported |
| Structured output | Supported | Supported |
| Image input | Supported | Supported |
| Video input | Supported | Not reported |
| Reasoning | Supported | Supported |
| Prompt caching | Supported | Supported |