Qwen3.5 Plus vs Doubao 1.5 Thinking Pro
Both have similar output pricing, while Qwen3.5 Plus offers a larger context window. Choose Qwen3.5 Plus or Doubao 1.5 Thinking Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.5 Plus | Doubao 1.5 Thinking Pro |
|---|---|---|
| Provider | Alibaba | NanoGPT |
| Input / 1M tokens | $0.40 | $0.60 |
| Output / 1M tokens | $2.40 | $2.40 |
| Context window | 1M | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Apr 2025 |
| GPQA Diamond score | 84.8 | — |
| FrontierMath score | 21.0 | — |
| Epoch Capabilities Index score | 146 | — |
FAQ
Is Qwen3.5 Plus or Doubao 1.5 Thinking Pro cheaper?
Qwen3.5 Plus and Doubao 1.5 Thinking Pro have comparable output pricing.
Which has the larger context window, Qwen3.5 Plus or Doubao 1.5 Thinking Pro?
Qwen3.5 Plus 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.