Qwen3.5-9B vs Seed 1.6 Flash
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 Qwen3.5-9B and Seed 1.6 Flash.
Qwen3.5-9B
Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...
Seed 1.6 Flash
Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of...
Technical Specifications
| Specification | Qwen3.5-9B | Seed 1.6 Flash |
|---|---|---|
| Provider | Alibaba | ByteDance |
| Context Window | 262,144 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 | 2026-03-10 | 2025-12-23 |
API Pricing Comparison
Input Price per Million Tokens
Qwen3.5-9B
$0.10
Seed 1.6 Flash
$0.07
Output Price per Million Tokens
Qwen3.5-9B
$0.15
Seed 1.6 Flash
$0.30
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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.
Qwen3.5-9B Quirks & Gotchas
No developer gotchas reported.
Seed 1.6 Flash Quirks & Gotchas
No developer gotchas reported.