Claude Opus 5 vs Sakana Namazu: Specs & Benchmark Comparison
| Characteristic | Claude Opus 5 | Sakana Namazu |
|---|---|---|
| Company | Anthropic | Sakana AI |
| Release Date | July 24, 2026 | August 3, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 128K | 256K |
| Input Price / 1M | $5.00 | $0.95 |
| Output Price / 1M | $25.00 | $4.00 |
| Average Score | 0.6 | 0.9 |
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: Claude Opus 5 — 0.6, Sakana Namazu — 0.9.
API Cost
Sakana Namazu is 6.1x cheaper: input $0.95/1M vs $5.00/1M tokens.
Context Window
Claude Opus 5 supports a larger context: 1M vs 256K tokens.
Recency
Both models were released around the same time: 7/24/2026 and 8/3/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Claude Opus 5 or Sakana Namazu?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Opus 5 or Sakana Namazu?
Sakana Namazu is cheaper for input: $0.95 per 1M tokens vs $5.00.
Which has a larger context window — Claude Opus 5 or Sakana Namazu?
Claude Opus 5 supports a larger context: 1,000,000 tokens vs 256,000.
The Claude Opus 5 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 Claude Opus 5 or Sakana Namazu page. See also the complete list of AI model comparisons.