Qwen3.5-397B-A17B vs Sakana Namazu: Specs & Benchmark Comparison
Qwen3.5-397B-A17B is developed by Alibaba, while Sakana Namazu comes from Sakana AI. Qwen3.5-397B-A17B was released in February 2026, and Sakana Namazu followed 6 months later in August 2026. Qwen3.5-397B-A17B has a published size of about 397 billion parameters; Sakana AI has not disclosed the parameter count of Sakana Namazu.
The two models share 3 published benchmarks. Sakana Namazu leads on 3 of them. The widest gaps are on LiveCodeBench v6, where Sakana Namazu scores 90.3% against 83.6%; AIME 2026, where Sakana Namazu scores 96.7% against 91.0%. Averaged across everything we track, Qwen3.5-397B-A17B sits at 73.1% and Sakana Namazu at 92.4%.
Sakana Namazu is available through an API at $0.95 per million input tokens with a 256K-token context window. We do not track a hosted API for Qwen3.5-397B-A17B, so pricing and context cannot be compared directly.
| Characteristic | Qwen3.5-397B-A17B | Sakana Namazu |
|---|---|---|
| Company | Alibaba | Sakana AI |
| Release Date | February 15, 2026 | August 3, 2026 |
| Parameters | 397B | — |
| Multimodal | Yes | Yes |
| Context (input) | — | 256K |
| Context (output) | — | 256K |
| Input Price / 1M | — | $0.95 |
| Output Price / 1M | — | $4.00 |
| Average Score | 73.1% | 92.4% |
| Benchmarks | ||
| LiveCodeBench v6 | 83.6% | 90.3% |
| AIME 2026 | 91.0% | 96.7% |
| MMLU-Pro | 87.8% | 90.3% |
Visual Benchmark Comparison
Verdict
Sakana Namazu leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Qwen3.5-397B-A17B — 0.7, Sakana Namazu — 0.9.
Sakana Namazu is newer: released 8/3/2026 vs 2/15/2026.
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Frequently Asked Questions
Which is better for coding — Qwen3.5-397B-A17B or Sakana Namazu?
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The Qwen3.5-397B-A17B and Sakana Namazu comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Qwen3.5-397B-A17B or Sakana Namazu page. See also the complete list of AI model comparisons.