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.

CharacteristicQwen3.8 FlashQwen3.8 Flash Next
CompanyAlibabaAlibaba
Release DateAugust 26, 2026August 26, 2026
Parameters125B180B
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)131K66K
Input Price / 1M$0.15$0.16
Output Price / 1M$0.47$0.47
Average Score68.5%67.1%
Benchmarks
Agents' Last Exam51.2%51.2%
AndroidWorld84.5%84.5%
CharXiv-R90.6%90.6%
ClawEval-MM60.4%60.4%
CoWorkBench73.9%73.9%
DeepSWE 1.158.7%58.7%
ERQA72.3%72.3%
GPQA91.7%91.7%
Humanity's Last Exam35.9%35.9%
IFBench81.3%81.3%
Job Bench55.7%55.7%
LiveCodeBench v691.9%91.9%
LVBench76.6%76.6%
MathVision95.7%95.7%
NL2Repo48.1%48.1%
OSWorld 2.019.4%19.4%
RealWorldQA88.5%88.5%
RecreationBench49.9%49.9%
SWE-bench Multilingual81.0%81.0%
SWE-Bench Pro62.5%62.5%
Toolathlon73.5%73.5%
Vision2Web64.0%64.0%

Visual Benchmark Comparison

Qwen3.8 Flash
Qwen3.8 Flash Next
Agents' Last Exam0.5 vs 0.5
0.5
0.5
AndroidWorld0.8 vs 0.8
0.8
0.8
CharXiv-R0.9 vs 0.9
0.9
0.9
ClawEval-MM0.6 vs 0.6
0.6
0.6
CoWorkBench0.7 vs 0.7
0.7
0.7
DeepSWE 1.10.6 vs 0.6
0.6
0.6
ERQA0.7 vs 0.7
0.7
0.7
GPQA0.9 vs 0.9
0.9
0.9
Humanity's Last Exam0.4 vs 0.4
0.4
0.4
IFBench0.8 vs 0.8
0.8
0.8
Job Bench0.6 vs 0.6
0.6
0.6
LiveCodeBench v60.9 vs 0.9
0.9
0.9
LVBench0.8 vs 0.8
0.8
0.8
MathVision1.0 vs 1.0
1.0
1.0
NL2Repo0.5 vs 0.5
0.5
0.5

Verdict

Qwen3.8 Flash leads in 1 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Qwen3.8 Flash — 0.7, Qwen3.8 Flash Next — 0.7.

API Cost

Qwen3.8 Flash is 1.0x cheaper: input $0.15/1M vs $0.16/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

Both models were released around the same time: 8/26/2026 and 8/26/2026.

More About These Models

Related Comparisons

Frequently Asked Questions

Which is better for coding — Qwen3.8 Flash or Qwen3.8 Flash Next?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Qwen3.8 Flash or Qwen3.8 Flash Next?
Qwen3.8 Flash is cheaper for input: $0.15 per 1M tokens vs $0.16.
Which has a larger context window — Qwen3.8 Flash or Qwen3.8 Flash Next?
Qwen3.8 Flash supports a larger context: 1,048,576 tokens vs 1,048,576.

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.