DeepSeek V4 Pro vs Qwen3.5 9B Base
DeepSeek V4 Pro is cheaper on output tokens, while DeepSeek V4 Pro offers a larger context window. Choose DeepSeek V4 Pro or Qwen3.5 9B Base based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4 Pro | Qwen3.5 9B Base |
|---|---|---|
| Provider | CrofAI | Thinking Machines |
| Input / 1M tokens | $0.35 | $0.30 |
| Output / 1M tokens | $0.80 | $0.81 |
| Context window | 1M | 66K |
| Parameters | 1.6T | — |
| Open weights | Yes | Yes |
| Released | Apr 2026 | Feb 2026 |
| LiveBench score | 74.4 | — |
FAQ
Is DeepSeek V4 Pro or Qwen3.5 9B Base cheaper?
DeepSeek V4 Pro is cheaper on output tokens ($0.80 vs $0.81 per 1M).
Which has the larger context window, DeepSeek V4 Pro or Qwen3.5 9B Base?
DeepSeek V4 Pro has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.