Muse Spark 1.2 Contributor vs Muse Spark 1.3 Contributor
Detailed technical comparison between Muse Spark 1.2 Contributor (Meta) and Muse Spark 1.3 Contributor (Meta). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Tie
Equal CapacityTie
Equal CapabilityTie
Equal SpeedTie
Equal PricingMuse Spark 1.2 Contributor
Muse Spark 1.2 Contributor is an advanced artificial intelligence model engineered by Meta. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Muse Spark 1.2 Contributor represents a key architectural iteration in the Meta model family. First released in 2026-08-21, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,048,576 tokens (approximately 1,398 words), Muse Spark 1.2 Contributor processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor is an advanced artificial intelligence model engineered by Meta. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Muse Spark 1.3 Contributor represents a key architectural iteration in the Meta model family. First released in 2026-09-02, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,048,576 tokens (approximately 1,398 words), Muse Spark 1.3 Contributor processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Technical Specifications
🏆 = Superior Spec| Specification | Muse Spark 1.2 Contributor | Muse Spark 1.3 Contributor |
|---|---|---|
| Provider | Meta | Meta |
| Context Window | 1,048,576 tokens | 1,048,576 tokens |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | managed api |
| Production Stability | Beta Access (est.) | Beta Access (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-08-21 | 2026-09-02 |
API Pricing Comparison
Input Price per Million Tokens
Muse Spark 1.2 Contributor
$0.10
Muse Spark 1.3 Contributor
$0.10
Output Price per Million Tokens
Muse Spark 1.2 Contributor
$0.20
Muse Spark 1.3 Contributor
$0.20
💡 Cost Ratio: Both models offer identical input token pricing ($0.10 / MTok).
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Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Muse Spark 1.2 Contributor Quirks & Gotchas
No developer gotchas reported.
Muse Spark 1.3 Contributor Quirks & Gotchas
No developer gotchas reported.
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