Home / All model prices / Google Gemini / gemini-3-1-pro-preview-customtools G Google Gemini
gemini-3-1-pro-preview-customtools OpenRouter price Model overview Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...
Context window 1,048,576 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-08-11 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $2
Cached input $0.2
Cache write 5m $0.375
Cache write 1h —
Output $12 Capabilities and formats text audio image video file include reasoning max tokens reasoning reasoning effort response format seed structured outputs temperature tool choice tools top p Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price Official price unavailable 2026-08-11
Input: — Cached input: — Cache write 5m: — Cache write 1h: — Output: —
Price change OpenRouter price 2026-08-20
Input: $2 Cached input: $0.2 Cache write 5m: $0.375 Cache write 1h: — Output: $12
