API model · 7 comparisons

Gemini 3.8 Flash compared

How Gemini 3.8 Flash stacks up against other models on price, limits and the inputs it accepts. Pick a matchup for the full side-by-side, a monthly cost calculator and our verdict.

Prices checked 15 October 2026 from the OpenRouter API.

Gemini 3.8 Flash at a glance

Input / 1M tokens: $0.75
Output / 1M tokens: $3.75
Context window: 1,048,576 tokens
Longest reply: 65,536 tokens
Accepts: audio, file, image, text, video
Providers on OpenRouter: 2
Best provider uptime, 24 h: 100%

Official website

Compare Gemini 3.8 Flash with

vs GPT-6 Luna

GPT-6 Luna vs Gemini 3.8 Flash

GPT-6 Luna and Gemini 3.8 Flash are both built for high-volume apps where cost per request matters. Luna is much cheaper. Gemini can also handle audio and video.

See the comparison vs GPT-6 Sol

GPT-6 Sol vs Gemini 3.8 Flash

GPT-6 Sol is OpenAI's mid-priced all-rounder, and Gemini 3.8 Flash is Google's cheaper, faster-tier model. Gemini costs much less and also accepts audio and video. Sol can write longer replies.

See the comparison vs Gemini 3.1 Pro Preview

Gemini 3.8 Flash vs Gemini 3.1 Pro Preview

Gemini 3.8 Flash and Gemini 3.1 Pro Preview are both Google models that handle text, images, files, audio and video. Flash is the cheaper option. Pro is a pricier model that's still in preview.

See the comparison vs Claude Haiku 5.5

Claude Haiku 5.5 vs Gemini 3.8 Flash

Claude Haiku 5.5 and Gemini 3.8 Flash are both quick, lower-cost models. Haiku is much cheaper for text. Gemini can also handle audio and video.

See the comparison vs Claude Opus 5.5

Claude Opus 5.5 vs Gemini 3.8 Flash

Claude Opus 5.5 is a premium model for demanding text and coding work. Gemini 3.8 Flash is a much cheaper model that also accepts audio and video. They suit very different jobs.

See the comparison vs DeepSeek V4.1 Flash

DeepSeek V4.1 Flash vs Gemini 3.8 Flash

DeepSeek V4.1 Flash and Gemini 3.8 Flash are both 'fast' budget models. DeepSeek is cheaper at every provider currently listed. Gemini accepts far more kinds of input.

See the comparison vs GPT-6.1 Sol

GPT-6.1 Sol vs Gemini 3.8 Flash

GPT-6.1 Sol is OpenAI's mid-priced all-rounder. Gemini 3.8 Flash is Google's cheaper model, and it also accepts audio and video. Both handle text, images and files.

See the comparison

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