Muse Spark 1.2: Benchmarks, Pricing & Context Window
Muse Spark 1.2 is a language model from Meta, released in August 2026, with multimodal input, a 1.0M-token context window, and pricing from $0.100/M input, $0.002/M cached input, $0.200/M output.
Muse Spark 1.2 is Meta Superintelligence Labs' proprietary multimodal reasoning model for long-horizon coding and whole-repository agentic work. It supports a 1,048,576-token context window and is available through the Meta Model API in
Muse Spark 1.2 benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Real tasks performance
High-confidence performance for Muse Spark 1.2 across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.
Performance by conversation depth
How Muse Spark 1.2 holds up as conversations get longer.
Quality Tracker
Muse Spark 1.2 Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Fri Sep 11 2026Muse Spark 1.2 pricing
Providers
Muse Spark 1.2 starts at $0.100 per million input tokens and $0.200 per million output tokens via Meta Model API. Reused prompt prefixes cost $0.0020 per million cached input tokens.
| Provider | Input $/M | Cached input $/M | Output $/M | Context in / out | TTFT p95 s | Output p5 c/s | Modalities in / out |
|---|---|---|---|---|---|---|---|
 Meta Model API | $0.100 | $0.0020 | $0.200 | 1.0M/131.1K | 2.64 | 9 | / |
Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.
Muse Spark 1.2 context window
Input and output token limits for Muse Spark 1.2, plus how it ranks on long-context understanding.
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Muse Spark 1.2 latency
Muse Spark 1.2 time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.
Provider operational metrics
Time to first token, output throughput, and failed-request rate from live model usage
Muse Spark 1.2 examples
Recent arena outputs from Muse Spark 1.2, picked from the highest-ranked matchups.
Muse Spark 1.2 license
Muse Spark 1.2 is a proprietary model available under its provider's product and API terms.
- License
- Proprietary
- Hosted access
Proprietary license - usage restrictions apply
Muse Spark 1.2 resources
Official sources for Muse Spark 1.2: provider documentation, official playground, official launch post.
Muse Spark 1.2 vs other models
The most-compared alternatives to Muse Spark 1.2 are Claude Opus 4.8, Qwen3.8-Flash-Next, GLM-5.3-Flash. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like Muse Spark 1.2
Models ranked just above and below Muse Spark 1.2 by LLM Stats score.
FAQ
Common questions about Muse Spark 1.2.