GPT-6 Sol vs Sakana Namazu: Specs & Benchmark Comparison
GPT-6 Sol is developed by OpenAI, while Sakana Namazu comes from Sakana AI. Sakana Namazu was released in August 2026, and GPT-6 Sol followed a month later in September 2026.
We have 5 benchmark results for GPT-6 Sol 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 2 times cheaper than GPT-6 Sol at $2 and $10. GPT-6 Sol takes the larger context window at 1M tokens, compared with 256K for Sakana Namazu. Both accept text and images as input. On tooling, only GPT-6 Sol supports function calling and only GPT-6 Sol offers structured output.
| Characteristic | GPT-6 Sol | Sakana Namazu |
|---|---|---|
| Company | OpenAI | Sakana AI |
| Release Date | September 22, 2026 | August 3, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.1M | 256K |
| Context (output) | 128K | 256K |
| Input Price / 1M | $2.00 | $0.95 |
| Output Price / 1M | $10.00 | $4.00 |
| Average Score | 54.4% | 92.4% |
Verdict
GPT-6 Sol leads in 2 out of 4 comparison categories.
Both models show comparable average scores: GPT-6 Sol — 0.5, Sakana Namazu — 0.9.
Sakana Namazu is 2.4x cheaper: input $0.95/1M vs $2.00/1M tokens.
GPT-6 Sol supports a larger context: 1M vs 256K tokens.
GPT-6 Sol is newer: released 9/22/2026 vs 8/3/2026.
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Frequently Asked Questions
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The GPT-6 Sol 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 GPT-6 Sol or Sakana Namazu page. See also the complete list of AI model comparisons.