Gemini 2.5 Flash Preview (09/2025) – Thinking model ID, context window & pricing
gemini
Quick facts
Model ID gemini-2.5-flash-preview-09-2025-thinking
Source NanoGPT
Context Window 1048756
Pricing $0.30 input / $2.50 output per 1M tokens
Capabilities tool calling, reasoning, structured output
Model overview
Gemini 2.5 Flash Preview (09/2025) – Thinking is an AI model from NanoGPT with 1048756 token context window and text, image, audio, pdf input support.
Published pricing is $0.30 input and $2.50 output per 1M tokens.
- Workloads that use text, image, audio, pdf 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-preview-09-2025-thinking
Provider NanoGPT
Family gemini
Status -
Knowledge Cutoff -
Release Date 2025-09-25
Input Modalities text, image, audio, pdf
Output Modalities text
Context Window 1048756
Input Limit 1048756
Output Limit 65536
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control -
Open Weights No
Input Cost / 1M tokens $0.30
Output Cost / 1M tokens $2.50
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.03
Cache Write Cost / 1M tokens -