Qwen3.8 Flash Next vs Qwen3.8 Max: Specs & Benchmark Comparison

Qwen3.8 Flash Next and Qwen3.8 Max both come from Alibaba, and both were released in August 2026. Qwen3.8 Max is the larger model at roughly 2.4 trillion parameters, against 180 billion for Qwen3.8 Flash Next.

The two models share 6 published benchmarks. Qwen3.8 Max leads on 4 of them, Qwen3.8 Flash Next on 2. The widest gaps are on SWE-bench Pro, where Qwen3.8 Max scores 67.7% against 62.5%; DeepSWE 1.1, where Qwen3.8 Flash Next scores 58.7% against 56.6%. Averaged across everything we track, Qwen3.8 Flash Next sits at 69.7% and Qwen3.8 Max at 71.0%.

Qwen3.8 Flash Next is the cheaper API at $0.16 per million input tokens and $0.47 per million output tokens, roughly 16 times cheaper than Qwen3.8 Max at $2.50 and $6.25. Both accept a context window of about 1M tokens. Qwen3.8 Flash Next accepts text, images, and video as input, while Qwen3.8 Max accepts text and images.

CharacteristicQwen3.8 Flash NextQwen3.8 Max
CompanyAlibabaAlibaba
Release DateAugust 26, 2026August 2, 2026
Parameters180B2.4T
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)66K131K
Input Price / 1M$0.16$2.50
Output Price / 1M$0.47$6.25
Average Score69.7%71.0%
Benchmarks
SWE-bench Pro62.5%67.7%
DeepSWE 1.158.7%56.6%
IFBench81.3%82.8%
Agents' Last Exam51.2%52.4%
Toolathlon Verified73.5%72.5%
GPQA Diamond91.7%92.6%

Visual Benchmark Comparison

Qwen3.8 Flash Next
Qwen3.8 Max
SWE-bench Pro0.6 vs 0.7
0.6
0.7
DeepSWE 1.10.6 vs 0.6
0.6
0.6
IFBench0.8 vs 0.8
0.8
0.8
Agents' Last Exam0.5 vs 0.5
0.5
0.5
Toolathlon Verified0.7 vs 0.7
0.7
0.7
GPQA Diamond0.9 vs 0.9
0.9
0.9

Verdict

Qwen3.8 Flash Next leads in 3 out of 4 comparison categories.

Overall Performance

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

API Cost

Qwen3.8 Flash Next is 13.9x cheaper: input $0.16/1M vs $2.50/1M tokens.

Context Window

Qwen3.8 Flash Next supports a larger context: 1M vs 1M tokens.

Recency

Qwen3.8 Flash Next is newer: released 8/26/2026 vs 8/2/2026.

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Frequently Asked Questions

Which is better for coding — Qwen3.8 Flash Next or Qwen3.8 Max?
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 Next or Qwen3.8 Max?
Qwen3.8 Flash Next is cheaper for input: $0.16 per 1M tokens vs $2.50.
Which has a larger context window — Qwen3.8 Flash Next or Qwen3.8 Max?
Qwen3.8 Flash Next supports a larger context: 1,048,576 tokens vs 1,000,000.

The Qwen3.8 Flash Next and Qwen3.8 Max 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 Next or Qwen3.8 Max page. See also the complete list of AI model comparisons.