Qwen3.8 Flash vs Qwen3.8 Flash Next: Specs & Benchmark Comparison
Qwen3.8 Flash and Qwen3.8 Flash Next both come from Alibaba, and both were released in August 2026. The two are similar in size, at about 125 billion and 180 billion parameters respectively.
The two models share 22 published benchmarks. They split them evenly, 0 to 0. The widest gaps are on Agents' Last Exam, where Qwen3.8 Flash Next scores 51.2% against 51.2%; AndroidWorld, where Qwen3.8 Flash Next scores 84.5% against 84.5%. Averaged across everything we track, Qwen3.8 Flash sits at 68.5% and Qwen3.8 Flash Next at 67.1%.
On price the two are close: Qwen3.8 Flash costs $0.15 per million input tokens and $0.47 per million output tokens, Qwen3.8 Flash Next $0.16 and $0.47. Both accept a context window of about 1M tokens. Both accept text, images, and video as input. On tooling, only Qwen3.8 Flash Next supports function calling and only Qwen3.8 Flash Next offers structured output.
| Characteristic | Qwen3.8 Flash | Qwen3.8 Flash Next |
|---|---|---|
| Company | Alibaba | Alibaba |
| Release Date | August 26, 2026 | August 26, 2026 |
| Parameters | 125B | 180B |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 131K | 66K |
| Input Price / 1M | $0.15 | $0.16 |
| Output Price / 1M | $0.47 | $0.47 |
| Average Score | 68.5% | 67.1% |
| Benchmarks | ||
| Agents' Last Exam | 51.2% | 51.2% |
| AndroidWorld | 84.5% | 84.5% |
| CharXiv-R | 90.6% | 90.6% |
| ClawEval-MM | 60.4% | 60.4% |
| CoWorkBench | 73.9% | 73.9% |
| DeepSWE 1.1 | 58.7% | 58.7% |
| ERQA | 72.3% | 72.3% |
| GPQA | 91.7% | 91.7% |
| Humanity's Last Exam | 35.9% | 35.9% |
| IFBench | 81.3% | 81.3% |
| Job Bench | 55.7% | 55.7% |
| LiveCodeBench v6 | 91.9% | 91.9% |
| LVBench | 76.6% | 76.6% |
| MathVision | 95.7% | 95.7% |
| NL2Repo | 48.1% | 48.1% |
| OSWorld 2.0 | 19.4% | 19.4% |
| RealWorldQA | 88.5% | 88.5% |
| RecreationBench | 49.9% | 49.9% |
| SWE-bench Multilingual | 81.0% | 81.0% |
| SWE-Bench Pro | 62.5% | 62.5% |
| Toolathlon | 73.5% | 73.5% |
| Vision2Web | 64.0% | 64.0% |
Visual Benchmark Comparison
Verdict
Qwen3.8 Flash leads in 1 out of 4 comparison categories.
Both models show comparable average scores: Qwen3.8 Flash — 0.7, Qwen3.8 Flash Next — 0.7.
Qwen3.8 Flash is 1.0x cheaper: input $0.15/1M vs $0.16/1M tokens.
Same context size: 1M tokens.
Both models were released around the same time: 8/26/2026 and 8/26/2026.
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Frequently Asked Questions
Which is better for coding — Qwen3.8 Flash or Qwen3.8 Flash Next?
Which model is cheaper — Qwen3.8 Flash or Qwen3.8 Flash Next?
Which has a larger context window — Qwen3.8 Flash or Qwen3.8 Flash Next?
The Qwen3.8 Flash and Qwen3.8 Flash Next comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Qwen3.8 Flash or Qwen3.8 Flash Next page. See also the complete list of AI model comparisons.