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Helicone

Google Gemini 2.5 Flash model ID, context window & pricing

gemini-flash

Quick facts

Model ID gemini-2.5-flash
Source Helicone
Context Window 1048576
Pricing $0.30 input / $2.50 output per 1M tokens
Capabilities tool calling, reasoning, temperature control

Model overview

Google Gemini 2.5 Flash is an AI model from Helicone with 1048576 token context window and text, image input support.

Published pricing is $0.30 input and $2.50 output per 1M tokens.

  • Workloads that use text, image inputs with text outputs.
  • Agent and tool workflows that need function calling.
  • Reasoning-heavy prompts where stepwise problem solving matters.
Model ID gemini-2.5-flash
Provider Helicone
Family gemini-flash
Status -
Knowledge Cutoff 2025-06
Release Date 2025-06-17
Input Modalities text, image
Output Modalities text
Context Window 1048576
Input Limit -
Output Limit 65535
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.30
Output Cost / 1M tokens $2.50
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.07
Cache Write Cost / 1M tokens $0.30