ByteDance Seed: Seed-2.0-Lite vs Qwen: Qwen3.5-9B

For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.5-9B costs $0.23 and Seed-2.0-Lite costs $0.75, so Qwen3.5-9B is about 3.2 times cheaper for the same work.

Both read up to 262,144 tokens at once, roughly 393 pages of text.

Across the 20 tasks where they differ, Qwen3.5-9B on 20 (SQL Generation, Code Review, Code Completion and others).

Pick Qwen3.5-9B if you need lower cost or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.