Gemini 3.5 Flash vs Qwen3.8 Flash
Qwen3.8 Flash leads the LLM Stats Score 48.7 to 42.4. Qwen3.8 Flash is 14.7x cheaper per token.
Google · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Qwen3.8 Flash leads the overall LLM Stats Score 48.7 to 42.4, ranking #24 overall.
In the 5 individual benchmarks reported for both models, Qwen3.8 Flash wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, Qwen3.8 Flash is roughly 14.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 3.5 Flash
- you want predictable pricing at $1.50/M input and $9.00/M output
Choose Qwen3.8 Flash
- overall performance matters — it scores 48.7 and ranks #24 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 4 of 5 exact shared results
- cost matters — it's about 14.7x cheaper per token
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
16 reported for Gemini 3.5 Flash · 22 for Qwen3.8 Flash
Gemini 3.5 Flash outperforms in 1 benchmarks (Humanity's Last Exam), while Qwen3.8 Flash is better at 4 benchmarks (CharXiv-R, DeepSWE 1.1, SWE-Bench Pro, Toolathlon).
Qwen3.8 Flash significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.5 Flash ($1.50/1M tokens) is 10.0x more expensive than Qwen3.8 Flash ($0.15/1M tokens).
For output processing, Gemini 3.5 Flash ($9.00/1M tokens) is 19.1x more expensive than Qwen3.8 Flash ($0.47/1M tokens).
In conclusion, Gemini 3.5 Flash is more expensive than Qwen3.8 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,000,000 tokens. Gemini 3.5 Flash can generate longer responses up to 1,000,000 tokens, while Qwen3.8 Flash is limited to 131,072 tokens.
Input capabilities
Documented input modalities across available providers
Both Gemini 3.5 Flash and Qwen3.8 Flash support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3.5 Flash
Qwen3.8 Flash
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 3.5 Flash was released on 2026-05-19, while Qwen3.8 Flash was released on 2026-08-26.
Qwen3.8 Flash is 3 months newer than Gemini 3.5 Flash.
May 19, 2026
4 months ago
Aug 26, 2026
3 weeks ago
3mo newerKnowledge Cutoff
When training data ends
Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while Qwen3.8 Flash's cutoff date is not specified.
We can confirm Gemini 3.5 Flash's training data extends to 2026-01-31, but cannot make a direct comparison without Qwen3.8 Flash's cutoff date.
Jan 2026
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Provider Availability
Gemini 3.5 Flash is available from DeepInfra, Google. Qwen3.8 Flash is available from Novita.
Gemini 3.5 Flash
Qwen3.8 Flash
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3.5 Flash and Qwen3.8 Flash side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3.5 Flash vs Qwen3.8 Flash.