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Gemini 3.8 Flash vs Qwen3.5-397B-A17B

Gemini 3.8 Flash leads the LLM Stats Score 51.0 to 38.9. Qwen3.5-397B-A17B is 1.1x cheaper per token.

Google · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Gemini 3.8 Flash leads the overall LLM Stats Score 51.0 to 38.9, ranking #15 overall.

On price, Qwen3.5-397B-A17B is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.8 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.8 Flash

  • overall performance matters — it scores 51.0 and ranks #15 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Qwen3.5-397B-A17B

  • cost matters — it's about 1.1x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 3.8 Flash
Google
Qwen3.5-397B-A17B
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
51.0
#15
38.9
#60
Reasoning
46.9
#24
38.8
#57
Coding
39.3
#14
22.9
#73
Agents
35.8
#16
19.7
#56
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.75 / M
$0.60 / M
Output price
$3.75 / M
$3.60 / M
Context window
1,048,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemini 3.8 Flash
Qwen3.5-397B-A17B
Vision
33.8#15
18.2#78
Tool use
26.7#23
17.1#74
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 3.8 Flash · 38 for Qwen3.5-397B-A17B

No common benchmarks found

Gemini 3.8 Flash and Qwen3.5-397B-A17Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Qwen3.5-397B-A17B costs less

For input processing, Gemini 3.8 Flash ($0.75/1M tokens) is 1.3x more expensive than Qwen3.5-397B-A17B ($0.60/1M tokens).

For output processing, Gemini 3.8 Flash ($3.75/1M tokens) is 1.0x more expensive than Qwen3.5-397B-A17B ($3.60/1M tokens).

In conclusion, Gemini 3.8 Flash is more expensive than Qwen3.5-397B-A17B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Sep 07 2026 • llm-stats.com
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input tokens$0.60
Output tokens$3.60
Best providerNovita
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.8 Flash accepts 1,048,576 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. Gemini 3.8 Flash can generate longer responses up to 65,536 tokens, while Qwen3.5-397B-A17B is limited to 64,000 tokens.

Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output64,000 tokens
Mon Sep 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 3.8 Flash and Qwen3.5-397B-A17B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3.8 Flash

Text
Images
Audio
Video

Qwen3.5-397B-A17B

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.8 Flash is licensed under a proprietary license, while Qwen3.5-397B-A17B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 3.8 Flash

Proprietary

Closed source

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash was released on 2026-09-02, while Qwen3.5-397B-A17B was released on 2026-02-16.

Gemini 3.8 Flash is 7 months newer than Qwen3.5-397B-A17B.

Gemini 3.8 Flash

Sep 2, 2026

4 days ago

6mo newer
Qwen3.5-397B-A17B

Feb 16, 2026

6 months ago

Knowledge Cutoff

When training data ends

Gemini 3.8 Flash has a documented knowledge cutoff of 2026-03-31, while Qwen3.5-397B-A17B's cutoff date is not specified.

We can confirm Gemini 3.8 Flash's training data extends to 2026-03-31, but cannot make a direct comparison without Qwen3.5-397B-A17B's cutoff date.

Gemini 3.8 Flash

Mar 2026

Qwen3.5-397B-A17B

—

Provider Availability

Gemini 3.8 Flash is available from Google. Qwen3.5-397B-A17B is available from Novita.

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M

Qwen3.5-397B-A17B

novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $3.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash and Qwen3.5-397B-A17B side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash
✓ Preferred
Qwen3.5-397B-A17B
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash vs Qwen3.5-397B-A17B.

Which is better, Gemini 3.8 Flash or Qwen3.5-397B-A17B?

Gemini 3.8 Flash leads the LLM Stats Score 51.0 to 38.9. Gemini 3.8 Flash is made by Google and Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.8 Flash compare to Qwen3.5-397B-A17B in benchmarks?

Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%. Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%.

Is Gemini 3.8 Flash cheaper than Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B is 1.3x cheaper for input tokens. Gemini 3.8 Flash costs $0.75/M input and $3.75/M output via google. Qwen3.5-397B-A17B costs $0.60/M input and $3.60/M output via novita.

What are the context window sizes for Gemini 3.8 Flash and Qwen3.5-397B-A17B?

Gemini 3.8 Flash supports 1.0M tokens and Qwen3.5-397B-A17B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.8 Flash and Qwen3.5-397B-A17B?

Key differences include LLM Stats Score (51.0 vs 38.9), context window (1.0M vs 262K), input pricing ($0.75 vs $0.60/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash and Qwen3.5-397B-A17B?

Gemini 3.8 Flash is developed by Google and Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team.

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