Nemotron 3 Ultra (550B A55B) vs Sakana Namazu: Specs & Benchmark Comparison

CharacteristicNemotron 3 Ultra (550B A55B)Sakana Namazu
CompanyNVIDIASakana AI
Release DateJune 4, 2026August 3, 2026
Parameters550B
MultimodalNoYes
Context (input)256K
Context (output)256K
Input Price / 1M$0.95
Output Price / 1M$4.00
Average Score0.60.9
Benchmarks
MMLU-Pro0.90.9
LiveCodeBench v60.90.9

Visual Benchmark Comparison

Nemotron 3 Ultra (550B A55B)
Sakana Namazu
MMLU-Pro0.9 vs 0.9
0.9
0.9
LiveCodeBench v60.9 vs 0.9
0.9
0.9

Verdict

Sakana Namazu leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Nemotron 3 Ultra (550B A55B) — 0.6, Sakana Namazu — 0.9.

Recency

Sakana Namazu is newer: released 8/3/2026 vs 6/4/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — Nemotron 3 Ultra (550B A55B) 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 — Nemotron 3 Ultra (550B A55B) or Sakana Namazu?
API pricing data is available on the individual model pages.
Which has a larger context window — Nemotron 3 Ultra (550B A55B) or Sakana Namazu?
Context window data is available on the individual model pages.

The Nemotron 3 Ultra (550B A55B) 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 Nemotron 3 Ultra (550B A55B) or Sakana Namazu page. See also the complete list of AI model comparisons.