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Google: Gemini 2.0 Flash Thinking Preview 01-21

Google
Vision Tools Streaming
1M
Context
$0.1500
Input /1M
$0.6000
Output /1M
8K
Max Output
Run API Call Open in Chat

Google: Gemini 2.0 Flash Thinking Preview 01-21

Model Overview

Property Value
Model ID google/gemini-2.0-flash-thinking-exp-01-21
Name Gemini 2.0 Flash Thinking Preview 01-21
Provider Google
Released January 21, 2025

Description

A dated experimental version of Gemini 2.0 Flash with thinking capabilities from January 21, 2025. Features improved reasoning capabilities over earlier thinking model versions.

Specifications

Spec Value
Context Window 1,048,576 tokens
Max Completion 8,192 tokens
Modalities Text, Image, Audio, Video

Pricing

Type Price
Input $0.15 per 1M tokens
Output $0.60 per 1M tokens

Capabilities

  • Vision: Yes
  • Tool Use: Yes
  • JSON Mode: Yes
  • Streaming: Yes
  • Reasoning/Thinking: Yes

Use Cases

Complex reasoning tasks, reproducible experiments, mathematical and logical problem solving.

Integration with LangMart

Gateway Support: Type 2 (Cloud), Type 3 (Self-hosted)

API Usage:

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-2.0-flash-thinking-exp-01-21",
    "messages": [{"role": "user", "content": "Solve this problem"}],
    "max_tokens": 8192
  }'
  • google/gemini-2.0-flash-thinking-exp - Latest thinking version
  • google/gemini-2.0-flash-thinking-exp-1219 - December 19 version

Last Updated: December 28, 2025