Qwen3.5-397B-A17B vs Seed 2.1 Turbo: Specs & Benchmark Comparison
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| Characteristic | Qwen3.5-397B-A17B | Seed 2.1 Turbo |
|---|---|---|
| Company | Alibaba | ByteDance |
| Release Date | February 15, 2026 | June 24, 2026 |
| Parameters | 397B | — |
| Multimodal | Yes | Yes |
| Average Score | 0.9 | 0.6 |
Verdict
Seed 2.1 Turbo leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Qwen3.5-397B-A17B — 0.9, Seed 2.1 Turbo — 0.6.
Recency
Seed 2.1 Turbo is newer: released 6/24/2026 vs 2/15/2026.
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Frequently Asked Questions
Which is better for coding — Qwen3.5-397B-A17B or Seed 2.1 Turbo?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Qwen3.5-397B-A17B or Seed 2.1 Turbo?
API pricing data is available on the individual model pages.
Which has a larger context window — Qwen3.5-397B-A17B or Seed 2.1 Turbo?
Context window data is available on the individual model pages.
The Qwen3.5-397B-A17B and Seed 2.1 Turbo comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Qwen3.5-397B-A17B or Seed 2.1 Turbo page. See also the complete list of AI model comparisons.