Gemini 3.8 Flash
Gemini 3.8 FlashAlternatives?
CheaperGPT-5.6 Solhigh-2%-13%$0.81BetterGPT-6 Astrahigh+3%+85%$1.73Monitoring can return HTTP 403+2
OpenGLM 5.3max-3%+115%$2.01No image input+5CheaperGPT-5.6 Lunamax-5%-81%$0.18CheaperGPT-6 Lunamax-6%-87%$0.10 / $0.50Function calling only with none · Chat Completions+3GPT-5.6 Solhigh-2%-13%$0.81GPT-5.6 Lunamax-5%-81%$0.18GPT-6 Astralow-6%-12%$0.82Monitoring can return HTTP 403+2GPT-6 Lunamax-6%-87%$0.10 / $0.50Function calling only with none · Chat Completions+3GLM 5.3 FlashmaxOpen-11%-70%$0.28Defaults to max · Self-hosted+4GPT-6 Astrahigh+3%+85%$1.73Monitoring can return HTTP 403+2
Claude Opus 5xhigh+3%+424%$4.88GLM 5.3maxOpen-3%+115%$2.01No image input+5
Kimi K3maxOpen-4%+115%$2.00Sampling parameters are fixed+3GLM 5.3 FlashmaxOpen-11%-70%$0.28Defaults to max · Self-hosted+4
DeepSeek V4 Pro 0813maxOpen-12%+32%$1.32 / $3.96No image input+6DeepSeek V4.1 Flash 1017maxOpen-25%-65%$0.30 / $1.20No PDF input+5Gemini 3.6 Flashhigh-34%+72%*$1.60Gemini 3.1 Pro Previewhigh-83%—$2 / $12Cannot use both thinking controlsGemini 3.1 Prohigh-89%—$2 / $12Gemma 4 31BunstatedOpen-100%—$0.10 / $0.34Context: 1M → 256KGemini 4 Argonhighn/a—*$1.99Synchronous output stops at 65,536+2Gemini 3.5 Flash Litehighn/a—$0.19DiffusionGemma 26B A4BOpenn/a—$0.05 / $0.15Context: 1M → 256K+1Gemma 4 12BthinkingOpenn/a—$0.10 / $0.30Context: 1M → 256K+1All Google models →History
7 versionsWatch out 2
Sampling parameters are ignored›
temperature, top_p and top_k are ignored now and will cause HTTP 400 in future generations; remove them from requests. Source ↗
No minimal thinking level›
The minimal thinking level returns an error; avoid minimal. Source ↗
FAQ
How much does Gemini 3.8 Flash cost?›
$0.75 per 1M input tokens and $3.75 per 1M output tokens. A typical benchmark task costs about $0.93 at medium effort.
Is Gemini 3.8 Flash free to use?›
There is no free API; the cheapest paid price is $0.75 per 1M input tokens.
How good is Gemini 3.8 Flash, and what is it best at?›
#37 of 334 in Chat & Knowledge, #30 of 132 in Coding, #16 of 133 in Agents & Tool Use, #6 of 195 in Writing & Language, #5 of 124 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Science, Long context, Knowledge, Vision.
Is Gemini 3.8 Flash better than Gemini 3.7 Flash?›
On DeepSWE 1.1, Gemini 3.8 Flash scores 73.8 vs 65.5 — higher.
How can I use Gemini 3.8 Flash?›
Through the Google API.
What is the context window of Gemini 3.8 Flash?›
1M tokens, with up to 66K output tokens.
When was Gemini 3.8 Flash released? Is there a newer version?›
Released 2026-09-02. It is the current version in its line.
Is Gemini 3.8 Flash open source?›
No, Gemini 3.8 Flash is a closed model available through an API. The closest open-weights option here is GLM 5.3.
Can Gemini 3.8 Flash read images?›
It accepts text and images, PDF files, audio, video as input.
What is Gemini 3.8 Flash?›
Gemini 3.8 Flash is a closed language model from Google, released Sep 2026, the successor to Gemini 3.7 Flash.
What are the best alternatives to Gemini 3.8 Flash?›
GPT-5.6 Sol (cheaper), GPT-6 Astra (better), GLM 5.3 (open weights).