fastReleased 2026-05

Gemini 3.5 Flash

By Google · Fast coding & agentic, mid-price.

Input / 1M

$1.50

Output / 1M

$9.00

Context

1.0M tokens

Max output

66K tokens

Gemini 3.5 Flash pricing

Gemini 3.5 Flash costs $1.50 per million input tokens and $9.00 per million output tokens at standard API rates, with cached input at $0.15/M. That makes it cheaper than 10 of 25 other tracked models on input.

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Gemini 3.5 Flash benchmarks

SWE-bench Pro55.1%

Terminal-Bench 2.176.2%

Specs

Maker: Google
Category: fast
Released: 2026-05
Modalities: text, vision, audio, video
Open weights: No (proprietary API)
Context window: 1.0M tokens
Max output: 66K tokens

Official API docs ↗

Compare Gemini 3.5 Flash with

GPT-5.4 mini

OpenAI · $0.75/— per 1M

Claude Haiku 4.5

Anthropic · $1.00/$5.00 per 1M

GPT-5.5

OpenAI · $5.00/$30.00 per 1M

GPT-5.4

OpenAI · $2.50/$15.00 per 1M

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Data verified 2026-06-20. Prices are standard USD API rates per 1M tokens.