Reasoning
198-question Diamond subset; independent AA evaluation
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Muse Spark 1.3
Across the task benchmarks we track, Muse Spark 1.3’s strongest relative results are in reasoning, knowledge work, and work automations. On GPQA Diamond, it scores 94.1%, ranking joint #3 among 30 models with reported results in our dataset.
Updated: Data as of:
Strongest results
| Benchmark | Measures | Score |
|---|---|---|
| Agent Index ↗v1.2 Preview | Overall agent capability | 35.1 / 100#16 of 26 |
| GPQA ↗Diamond / Artificial Analysis | Reasoning | 94.14%Joint #3 of 30 |
| GDP.pdf ↗100 tasks / All-pass / five attempts | Professional document reasoning | 26.6%#8 of 55 |
| Humanity's Last Exam ↗Stable HLE — text-only subset | Expert reasoning | 48.7%Joint #10 of 68 |
Model details
| Model | Muse Spark 1.3 |
|---|---|
| Agent Index v1.2 | 35.1 / 100 · Rank 16 · Preview |
| Creator | Meta (opens in a new tab) |
| Availability | Proprietary |
| Context size | 1,000,000 tokens (opens in a new tab) |
| Max output | Not reported (opens in a new tab) |
| Knowledge cutoff | Not reported |
| License | Not reported |
Pricing and performance
Per provider and reported configuration. Prices are USD per 1M tokens.
| Provider / configuration | Contexttokens | InputUSD / 1M tokens | OutputUSD / 1M tokens | LatencyTTFT · seconds | Speedtokens / sec |
|---|---|---|---|---|---|
| Muse Spark 1.3 (max) | 1,048,576 | $1.25 (opens in a new tab) | $4.25 (opens in a new tab) | 45.675 (opens in a new tab) | 195.207 (opens in a new tab) |
Benchmark performance
Muse Spark 1.3 in color, alongside leading models. Latest stored reports, best effort per report date.
GPQA Diamond ↗
Terminal Use
Official 4.0 board; native agent harnesses
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Work Automations
Private held-out set; API mode; 50 steps; strict pass/fail
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Knowledge Work
220 tasks; Stirrup agent; pairwise Elo
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Reported benchmarks
All published results in our dataset, with versions, evaluation settings, and sources.
| Benchmark | Score | Evaluation setup | Source |
|---|---|---|---|
| AA-Briefcase1.1 / combined EloCombined Elo · Higher is better | 1,581 Elo | selection: best reported configuration per release · Muse Spark 1.3 (max) · tools: benchmark-defined | Artificial Analysis (opens in a new tab)independent |
| AutomationBench1.0.6 / Zapier held-out private setStrict task completion · Higher is better | 20.7% | Muse Spark 1.3 (Max); private held-out 657 tasks; API mode; 50-step cap; strict completion | Zapier ↗ (opens in a new tab)benchmark publisher |
| AutomationBench-AA1.0.6 / AA private 657Objectives completed without guardrail violations · Higher is better | 57.9% | reported precision decimals: 1 · result quality: reported · Muse Spark 1.3 (max); private held-out 657 tasks; 50 turns; objective completion with zero credit for any guardrail violation. · source model href: /models/muse-spark-1-3 · task count: 657 · Tools enabled · turn cap: 50 | Artificial Analysis (opens in a new tab)independent |
| GDP.pdf100 tasks / All-pass / five attemptsAccuracy · Higher is better | 26.6% | selection: best reported configuration per release · Muse Spark 1.3 (max) · tools: benchmark-defined | Artificial Analysis (opens in a new tab)independent |
| GDPval-AA2.1Elo · Higher is better | 1,631.96 Elo | Muse Spark 1.3 (Xhigh); 220 tasks; Stirrup agent; pairwise Elo | Artificial Analysis (opens in a new tab)independent |
| GDPval-AA2.1Elo · Higher is better | 1,680.99 Elo | Muse Spark 1.3 (Max); 220 tasks; Stirrup agent; pairwise Elo | Artificial Analysis (opens in a new tab)independent |
| GPQADiamond / Artificial AnalysisAccuracy · Higher is better | 94.141% | Muse Spark 1.3 (Xhigh); 198-question Diamond subset; independent AA evaluation | Artificial Analysis (opens in a new tab)independent |
| GPQADiamond / Artificial AnalysisAccuracy · Higher is better | 93.535% | Muse Spark 1.3 (Max); 198-question Diamond subset; independent AA evaluation | Artificial Analysis (opens in a new tab)independent |
| HLE-Diamond1,000 questions / no toolsAccuracy · Higher is better | 33.7% | selection: best reported configuration per release · Muse Spark 1.3 (Max) · No tools | Artificial Analysis (opens in a new tab)independent |
| Humanity's Last ExamStable HLE — text-only subsetAccuracy · Higher is better | 48.7% | question count: 2158 · reported precision decimals: 1 · Muse Spark 1.3 (max); original HLE; 2,158 text-only questions; no tools; pass@1; chart labels rounded to one decimal. · source model href: /models/muse-spark-1-3 · subset: text · No tools | Artificial Analysis (opens in a new tab)independent |
| LiveBench: Agentic2.0 / 2026-10-25Accuracy · Higher is better | 25.5% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: agentic | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| LiveBench: Browser Use2.0 / 2026-10-25Accuracy · Higher is better | 30.9% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: browser-use | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| LiveBench: Coding2.0 / 2026-10-25Accuracy · Higher is better | 90.2% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: coding | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| LiveBench: Data Analysis2.0 / 2026-10-25Accuracy · Higher is better | 79.6% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: data-analysis | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| LiveBench: Design2.0 / 2026-10-25Accuracy · Higher is better | 74.8% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: design | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| LiveBench: Reasoning2.0 / 2026-10-25Accuracy · Higher is better | 89.7% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: reasoning | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| LiveBench: Research2.0 / 2026-10-25Accuracy · Higher is better | 68.6% | release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: research | LiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25 |
| OSWorld2.1 / full setBinary accuracy · Higher is better | 39.25% | max; batch tool; v2.1; full set | OSWorld / XLang ↗ (opens in a new tab)benchmark publisher |
| Terminal-Bench4.0Task success · Higher is better | 14.5% | Muse Code; effort=xhigh; 14.5% ± 2.9% | Terminal-Bench ↗ (opens in a new tab)benchmark publisher |
| Terminal-Bench4.0 / mini-swe-agentTask success · Higher is better | 33.333% | harness: mini-swe-agent · repeats: 3 · selection: best reported configuration per release · Muse Spark 1.3 (Max) | Artificial Analysis (opens in a new tab)independent |