Kimi K3 vs Sakana Namazu: Specs & Benchmark Comparison
Kimi K3 is developed by Moonshot AI, while Sakana Namazu comes from Sakana AI. Kimi K3 was released in July 2026, and Sakana Namazu followed a month later in August 2026. Kimi K3 has a published size of about 2.8 trillion parameters; Sakana AI has not disclosed the parameter count of Sakana Namazu.
We have 31 benchmark results for Kimi K3 and 3 benchmark results for Sakana Namazu, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Sakana Namazu is the cheaper API at $0.95 per million input tokens and $4 per million output tokens, roughly 3 times cheaper than Kimi K3 at $3 and $15. Kimi K3 takes the larger context window at 1M tokens, compared with 256K for Sakana Namazu. Both accept text and images as input. On tooling, only Kimi K3 supports function calling and only Kimi K3 offers structured output.
| Characteristic | Kimi K3 | Sakana Namazu |
|---|---|---|
| Company | Moonshot AI | Sakana AI |
| Release Date | July 16, 2026 | August 3, 2026 |
| Parameters | 2.8T | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 1.0M | 256K |
| Input Price / 1M | $3.00 | $0.95 |
| Output Price / 1M | $15.00 | $4.00 |
| Average Score | 67.8% | 92.4% |
Verdict
Sakana Namazu leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Kimi K3 — 0.7, Sakana Namazu — 0.9.
Sakana Namazu is 3.6x cheaper: input $0.95/1M vs $3.00/1M tokens.
Kimi K3 supports a larger context: 1M vs 256K tokens.
Sakana Namazu is newer: released 8/3/2026 vs 7/16/2026.
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Frequently Asked Questions
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The Kimi K3 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 Kimi K3 or Sakana Namazu page. See also the complete list of AI model comparisons.