Qwen3.5 397B A17B vs Seed 1.6
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Qwen3.5 397B A17B and Seed 1.6.
Qwen3.5 397B A17B
The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. It delivers...
Seed 1.6
Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
Technical Specifications
| Specification | Qwen3.5 397B A17B | Seed 1.6 |
|---|---|---|
| Provider | Alibaba | ByteDance |
| Context Window | 256,000 tokens | 262,144 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | self hostable | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2026-02-16 | 2025-12-23 |
API Pricing Comparison
Input Price per Million Tokens
Qwen3.5 397B A17B
$0.39
Seed 1.6
$0.25
Output Price per Million Tokens
Qwen3.5 397B A17B
$2.45
Seed 1.6
$2.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Qwen3.5 397B A17B Quirks & Gotchas
No developer gotchas reported.
Seed 1.6 Quirks & Gotchas
No developer gotchas reported.