Gemini 3.8 Flash
by Google
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Models
Gemini 3.8 Flash
Added 3 Sept 2026
Overview
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Best for
Best for
Multimodal task assistance
How to use / API access
Call via OpenRouter with model id `google/gemini-3.8-flash`.
- openrouter ·
google/gemini-3.8-flashDocs
OpenRouter id: google/gemini-3.8-flash
Benchmarks
- Intelligence Index (artificial-analysis): 40.9 index
- Coding Index (artificial-analysis): 76.3 index
- Agentic Index (artificial-analysis): 40.2 index
- Design Arena androidnative (other): 1082 elo · #31
- Design Arena fullstack (other): 1244 elo · #11
- Design Arena godotgamedev (other): 1273 elo · #5
- Design Arena mobileapps (other): 1233 elo · #6
Notes
Gemini 3.8 Flash is listed in the EDNA Models directory from the OpenRouter catalogue.
Pros
- Reasoning over mixed text and visual inputs
- text, image, video, file, audio input; text output on the listed OpenRouter route
Cons
- Choosing on a Flash label without measuring your workload
- Assuming audio input means audio output
- Base text-token rates exclude other modalities, tools, caching, retries and any hosting-specific charges. Check actual usage before comparing cost per successful task.
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