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Google: Gemini 2.5 Flash Preview 05-20

Google
Vision Tools Streaming
1M
Context
$1.00
Input /1M
$2.00
Output /1M
8K
Max Output
Run API Call Open in Chat

Google: Gemini 2.5 Flash Preview 05-20

Model Overview

Property Value
Model ID google/gemini-2.5-flash-preview-05-20
Name Gemini 2.5 Flash Preview 05-20
Provider Google
Released May 20, 2025

Description

A dated preview of Gemini 2.5 Flash from May 20, 2025. Provides a fixed model checkpoint for reproducible experiments and applications.

Specifications

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

Pricing

Type Price
Input $1.00 per 1M tokens
Output $2.00 per 1M tokens

Capabilities

  • Vision: Yes
  • Tool Use: Yes
  • Streaming: Yes
  • Multimodal: Yes

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-2.5-flash-preview-05-20",
    "messages": [{"role": "user", "content": "Analyze this"}],
    "max_tokens": 4096
  }'
  • google/gemini-2.5-flash - Stable version
  • google/gemini-2.5-flash-preview-09-2025 - September preview

Last Updated: December 28, 2025