GLM-5.2 vs Sakana Namazu: Specs & Benchmark Comparison
GLM-5.2 is developed by Zhipu AI, while Sakana Namazu comes from Sakana AI. GLM-5.2 was released in June 2026, and Sakana Namazu followed 2 months later in August 2026. GLM-5.2 has a published size of about 753 billion parameters; Sakana AI has not disclosed the parameter count of Sakana Namazu.
We have 19 benchmark results for GLM-5.2 and 3 benchmark results for Sakana Namazu, but they overlap on a single test: AIME 2026, where GLM-5.2 scores 99.0% against 96.7%.
Sakana Namazu is the cheaper API at $0.95 per million input tokens and $4 per million output tokens, about 47% below GLM-5.2 at $1.40 and $4.40. GLM-5.2 takes the larger context window at 1M tokens, compared with 256K for Sakana Namazu. GLM-5.2 accepts text as input, while Sakana Namazu accepts text and images. On tooling, only GLM-5.2 supports function calling and only GLM-5.2 offers structured output.
| Characteristic | GLM-5.2 | Sakana Namazu |
|---|---|---|
| Company | Zhipu AI | Sakana AI |
| Release Date | June 16, 2026 | August 3, 2026 |
| Parameters | 753B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 131K | 256K |
| Input Price / 1M | $1.40 | $0.95 |
| Output Price / 1M | $4.40 | $4.00 |
| Average Score | 60.9% | 92.4% |
| Benchmarks | ||
| AIME 2026 | 99.0% | 96.7% |
Visual Benchmark Comparison
Verdict
Sakana Namazu leads in 2 out of 4 comparison categories.
Both models show comparable average scores: GLM-5.2 — 0.6, Sakana Namazu — 0.9.
Sakana Namazu is 1.2x cheaper: input $0.95/1M vs $1.40/1M tokens.
GLM-5.2 supports a larger context: 1M vs 256K tokens.
Sakana Namazu is newer: released 8/3/2026 vs 6/16/2026.
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Frequently Asked Questions
Which is better for coding — GLM-5.2 or Sakana Namazu?
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Which has a larger context window — GLM-5.2 or Sakana Namazu?
The GLM-5.2 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 GLM-5.2 or Sakana Namazu page. See also the complete list of AI model comparisons.