Sakana Namazu vs Seed 2.0 Pro: Specs & Benchmark Comparison

Sakana Namazu is developed by Sakana AI, while Seed 2.0 Pro comes from ByteDance. Seed 2.0 Pro was released in February 2026, and Sakana Namazu followed 6 months later in August 2026.

The two models share 2 published benchmarks. Sakana Namazu leads on 2 of them. The widest gaps are on AIME 2026, where Sakana Namazu scores 96.7% against 94.0%; LiveCodeBench v6, where Sakana Namazu scores 90.3% against 88.0%. Averaged across everything we track, Sakana Namazu sits at 92.4% and Seed 2.0 Pro at 87.1%.

Seed 2.0 Pro is the cheaper API at $0.50 per million input tokens and $3 per million output tokens, about 90% below Sakana Namazu at $0.95 and $4. Both accept a context window of about 256K tokens. Both accept text and images as input. On tooling, only Seed 2.0 Pro supports function calling and only Seed 2.0 Pro offers structured output.

CharacteristicSakana NamazuSeed 2.0 Pro
CompanySakana AIByteDance
Release DateAugust 3, 2026February 14, 2026
Parameters
MultimodalYesYes
Context (input)256K256K
Context (output)256K131K
Input Price / 1M$0.95$0.50
Output Price / 1M$4.00$3.00
Average Score92.4%87.1%
Benchmarks
AIME 202696.7%94.0%
LiveCodeBench v690.3%88.0%

Visual Benchmark Comparison

Sakana Namazu
Seed 2.0 Pro
AIME 20261.0 vs 0.9
1.0
0.9
LiveCodeBench v60.9 vs 0.9
0.9
0.9

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: Sakana Namazu — 0.9, Seed 2.0 Pro — 0.9.

API Cost

Seed 2.0 Pro is 1.4x cheaper: input $0.50/1M vs $0.95/1M tokens.

Context Window

Same context size: 256K tokens.

Recency

Sakana Namazu is newer: released 8/3/2026 vs 2/14/2026.

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Frequently Asked Questions

Which is better for coding — Sakana Namazu or Seed 2.0 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Sakana Namazu or Seed 2.0 Pro?
Seed 2.0 Pro is cheaper for input: $0.50 per 1M tokens vs $0.95.
Which has a larger context window — Sakana Namazu or Seed 2.0 Pro?
Sakana Namazu supports a larger context: 256,000 tokens vs 256,000.

The Sakana Namazu and Seed 2.0 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Sakana Namazu or Seed 2.0 Pro page. See also the complete list of AI model comparisons.