token.app › Compare › Qwen-Plus vs Qwen3.5-Flash
Qwen-Plus vs Qwen3.5-Flash
Qwen3.5-Flash leads on 2 of 2 shared benchmarks. Qwen3.5-Flash is 3.4× cheaper per token on a blended 3:1 basis.
Head to head
Blended price uses a 3:1 input:output mix
| Qwen-Plus | Qwen3.5-Flash | |
|---|---|---|
| Provider | Alibaba | Alibaba |
| Input $/1M | $0.260 | $0.065 |
| Output $/1M | $0.780 | $0.260 |
| Blended $/1M | $0.390 | $0.114 |
| Context window | 1M | 1M |
| Max output | 33K | 66K |
| Released | Feb 2025 | Feb 2026 |
| Licence | Proprietary | Proprietary |
| GPQA Diamond | 48.1% | 82.3% |
| OTIS Mock AIME | 17.8% | 84.4% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Qwen-Plus if…
- No clear advantage on the data we hold.
Choose Qwen3.5-Flash if…
- Costs less per token — $0.114 vs $0.390 blended
- Higher GPQA Diamond (82.3% vs 48.1%)
- Higher OTIS Mock AIME (84.4% vs 17.8%)
- Newer model (released Feb 2026)
FAQ
Which is better, Qwen-Plus or Qwen3.5-Flash?
Across the 2 benchmarks both models have independently-run scores for, Qwen-Plus leads on 0 and Qwen3.5-Flash leads on 2. Benchmarks are one input — price and context window are on this page too.
Is Qwen-Plus cheaper than Qwen3.5-Flash?
Qwen3.5-Flash is cheaper: $0.114 versus $0.390 per million tokens blended at 3:1 input:output. Input alone: $0.260 vs $0.065. Output alone: $0.780 vs $0.260.
What context windows do Qwen-Plus and Qwen3.5-Flash have?
Qwen-Plus: 1,000,000 tokens. Qwen3.5-Flash: 1,000,000 tokens.
Who makes Qwen-Plus and Qwen3.5-Flash?
Qwen-Plus is made by Alibaba. Qwen3.5-Flash is made by Alibaba.