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API Pricing

Google: Gemini 3.1 Flash Lite Preview API pricing on OpenRouter

id
google/gemini-3.1-flash-lite-preview
google
First seen 2026-11-07 13:53 UTC
Open on openrouter.ai/google/gemini-3.1-flash-lite-preview

RouteOfficialGoogle AI Studio

Basis: OpenRouter endpoints: Google AI Studio (google-ai-studio): official Archived copy

Current prices

Per million input tokens3

VariantUSDPlatform’s own wordingSince
Image input$0.25/M inimage: 0.00000025 / token
Standard$0.25/M inprompt: 0.00000025 / token
Audio input$0.5/M inaudio: 0.0000005 / token

Per million output tokens2

VariantUSDPlatform’s own wordingSince
Standard$1.5/M outcompletion: 0.0000015 / token
Reasoning$1.5/M outinternal_reasoning: 0.0000015 / token

Per million cached input tokens (read)2

VariantUSDPlatform’s own wordingSince
Standard$0.025/M cache readinput_cache_read: 0.000000025 / token
Standard$0.05/M cache readinput_audio_cache: 0.00000005 / token

Per million cache-write tokens1

VariantUSDPlatform’s own wordingSince
5-min cache$0.0833333/M cache writeinput_cache_write: 0.0000000833333333333333 / token

Per run (default parameters)1

VariantUSDPlatform’s own wordingSince
Web search$0.014/runweb_search: 0.014

Change log

WhenModel · what it coversChange
2026-11-11 11:28 UTCUnit changedFlaggedImage input$0.00000025/image → $0.25/M inimage: 0.00000025 → image: 0.00000025 / token

Earlier versions

Model · what it coversUSDPlatform’s own wordingSince
Image input$0.00000025/imageimage: 0.000000252026-11-07 13:53 UTC → 2026-11-11 11:28 UTC

Where these prices come from

Read from the platform’s public pages and APIs. Every read is archived, so any price here can be checked against what the platform showed at the time.