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Comparison of Meta: Muse Spark Open, Respan: Span-02
2 modelsmetaMeta: Muse Spark OpenRemove ×respanRespan: Span-02Remove ×
What’s differentOpenRouter lists a 1,048,576-token context and up to 943,718 output tokens for this open-weight model aimed at agentic coding.Set a thinking deadline in milliseconds; returns typed decisions or direct numbers with confidence, and accepts up to four images.
DateOct 15, 2026ReleasedOct 16, 2026Listed
Listed rate$1.25 in / $4.25 out/ 1M tokensbaseten · via Hugging Face · all routes ↗$0.01 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗
Provider endpoints8 endpoints →1 endpoint →
AA Intelligence ↗4.3.238.87 ↗Effort: xhigh · XhighIndependent resultNot reported
AA-Briefcase ↗1.11,279.25 ↗Effort: xhigh · XhighIndependent resultNot reported
GDPval-AA ↗2.11,401.12 ↗Effort: xhigh · XhighIndependent resultNot reported
AutomationBench-AA ↗AA Index 4.3.2 collection49.71% ↗Effort: xhigh · XhighIndependent resultNot reported
Terminal-Bench 4.0 · AA ↗8.08% ↗Effort: xhigh · XhighHarness unreportedIndependent resultNot reported
SciCode ↗AA Index 4.3.2 collection58.45% ↗AA · Under reviewEffort: xhigh · XhighIndependent resultNot reported
Humanity’s Last Exam ↗AA Index 4.3.2 collection43.88% ↗Effort: xhigh · XhighIndependent resultNot reported
GDP.pdf ↗AA Index 4.3.2 collection18.6% ↗Effort: xhigh · XhighIndependent resultNot reported
CritPt ↗AA Index 4.3.2 collection14.86% ↗AA · Under reviewEffort: xhigh · XhighIndependent resultNot reported
AA-Omniscience ↗AA Index 4.3.2 collection24.65 ↗Effort: xhigh · XhighIndependent resultNot reported
AA-LCR ↗1.178.33% ↗Effort: xhigh · XhighIndependent resultNot reported
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)57.57% ↗Effort: max · single run · equal mean of 7 suitesIndependent resultNot reported
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)60.3% ↗Effort: max · single runIndependent resultNot reported
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)80.3% ↗Effort: max · single runIndependent resultNot reported
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)36% ↗Effort: max · single runIndependent resultNot reported
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)73.6% ↗Effort: max · single runIndependent resultNot reported
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)18.9% ↗Effort: max · single runIndependent resultNot reported
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)60.2% ↗Effort: max · single runIndependent resultNot reported
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)73.7% ↗Effort: max · single runIndependent resultNot reported
Context window1M131.1K
Max output943.7K118K
Parameters——
Tool callingSupportedNot reported
Structured outputSupportedNot reported
Image inputSupportedSupported
Audio inputSupportedNot reported
Video inputSupportedNot reported
ReasoningSupportedNot reported
Prompt cachingSupportedNot reported
Open weightsSupportedNot reported

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