Muse Spark 1.3
Meta's Muse Spark 1.3 (2 Sep 2026), a multimodal reasoning model for long-running agentic work (1M context; about $1.25/$4.25 per M tokens). The model family, not the Muse app. Newly added: Playground benchmark metrics are still being gathered.
- Avg tokens per run
- 183,199
- Avg duration
- 49.2s
Shopping score
32/100Weak
Scores come from runs on UCP stores, not estimates: every figure is a tool call, a checkout attempt or a store’s answer.
Shopping score breakdown
- Checkout rate40%0%
- Cart rate20%33.3%
- Search rate10%100%
- Turn efficiency15%50%
- Token efficiency15%50%
Top stores
Not enough store data yet.
Known issues
- LowMetrics Pending
Muse Spark 1.3 was recently added; its Playground benchmark metrics are still being gathered.
Token usage
- Avg per run
- 183,199
- Average of all models
- 78,415
- Against the average
- +134%
- Median (p50)
- 24,861
- p90
- 511,788
Prompt and completion
Prompt 180,243 (98%)Completion 2,956 (2%)
Daily average tokens per run, last 30 days
Oct 27Total 598,768Prompt 592,426Completion 6,342
Range
- Min
- 12,533
- p25
- 14,572
- p50
- 24,861
- p75
- 326,488
- p90
- 511,788
- Max
- 598,768
Test Muse Spark 1.3 on your store
Start a run to see how Muse Spark 1.3 handles your store’s checkout, call by call.
Compare with other models
Qwen 3.8 Flash 52.6%Llama 3.3 70B 39.3%Gemini 3.5 Flash 37.6%Claude Sonnet 4.6 34.3%Grok 4.3 26.3%Gemini 2.5 Flash 22.3%Claude Opus 4.8 22.3%DeepSeek V3.2 20.4%DeepSeek V4.1 Flash 20%Gemini 3.1 Pro 19.9%Gemini 2.5 Pro 19.5%GPT-4o 14.7%Claude Sonnet 5 13.4%Grok 3 Mini (Reasoning) 11.1%GPT-5.5 11%DeepSeek V4 Flash 10.9%Grok 4.5 10.9%Claude Opus 5 10.8%o4-mini (Reasoning) 8.9%Gemini 3.6 Flash 8.4%DeepSeek V4 Pro 7.5%Gemini 3.8 Flash 5.6%Qwen 3.7 Max 4.8%DeepSeek R1 (Reasoning) 3.4%Kimi K3 3%Llama 4 Maverick 2.2%GPT-6 Luna 0%Gemini 3.7 Flash 0%QwQ 32B (Reasoning) 0%All models
Rates are checkout rates. Full comparison view