Qwen3.8 Max vs Seed 2.1 Turbo: Specs & Benchmark Comparison
Qwen3.8 Max is developed by Alibaba, while Seed 2.1 Turbo comes from ByteDance. Seed 2.1 Turbo was released in June 2026, and Qwen3.8 Max followed 2 months later in August 2026. Qwen3.8 Max has a published size of about 2.4 trillion parameters; ByteDance has not disclosed the parameter count of Seed 2.1 Turbo.
We have 2 benchmark results for Qwen3.8 Max and 90 benchmark results for Seed 2.1 Turbo, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Qwen3.8 Max is available through an API at $2.50 per million input tokens with a 1M-token context window. We do not track a hosted API for Seed 2.1 Turbo, so pricing and context cannot be compared directly.
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| Characteristic | Qwen3.8 Max | Seed 2.1 Turbo |
|---|---|---|
| Company | Alibaba | ByteDance |
| Release Date | August 2, 2026 | June 24, 2026 |
| Parameters | 2.4T | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 131K | — |
| Input Price / 1M | $2.50 | — |
| Output Price / 1M | $6.25 | — |
| Average Score | 93.0% | 61.0% |
Verdict
Qwen3.8 Max leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Qwen3.8 Max — 0.9, Seed 2.1 Turbo — 0.6.
Qwen3.8 Max is newer: released 8/2/2026 vs 6/24/2026.
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Frequently Asked Questions
Which is better for coding — Qwen3.8 Max or Seed 2.1 Turbo?
Which model is cheaper — Qwen3.8 Max or Seed 2.1 Turbo?
Which has a larger context window — Qwen3.8 Max or Seed 2.1 Turbo?
The Qwen3.8 Max 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 Qwen3.8 Max or Seed 2.1 Turbo page. See also the complete list of AI model comparisons.