Muse Spark 1.3 vs Fugu Max
Detailed technical comparison between Muse Spark 1.3 (Meta) and Fugu Max (Sakana AI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Muse Spark 1.3
1,048,576 tokensTie
Equal CapabilityTie
Equal SpeedMuse Spark 1.3
$1.25 / MTokMuse Spark 1.3
Muse Spark 1.3 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 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 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Fugu Max
Fugu Max is an advanced artificial intelligence model engineered by Sakana AI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Fugu Max represents a key architectural iteration in the Sakana AI model family. First released in 2026-09-11, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Fugu Max processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Technical Specifications
🏆 = Superior Spec| Specification | Muse Spark 1.3 | Fugu Max |
|---|---|---|
| Provider | Meta | Sakana AI |
| Context Window | 1,048,576 tokens🏆 | 1,000,000 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 | 2026-09-02 | 2026-09-11 |
API Pricing Comparison
Input Price per Million Tokens
Muse Spark 1.3
$1.25
Fugu Max
$2.00
Output Price per Million Tokens
Muse Spark 1.3
$4.25
Fugu Max
$6.00
💡 Cost Ratio: Muse Spark 1.3 is 1.6x cheaper per input token than Fugu Max.
Want to test both models live?
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 1.3 Quirks & Gotchas
No developer gotchas reported.
Fugu Max Quirks & Gotchas
No developer gotchas reported.
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