Gemini 2.5 Flash (Batch)

google/gemini-2.5-flash-batch

A chat model with a 1M-token context window, at $0.1575 per million input tokens and $1.3125 per million output tokens.

Details

Maker: google
Kind: Chat
Context window: 1,000,000 tokens
Max output: 64,000 tokens
Input: $0.1575 per million tokens
Cached input: $0.0315 per million tokens, 80% off
Cache write: Same as input
Output: $1.3125 per million tokens
Capabilities: Reasoning, tool use, vision, file input
Takes: Text, image, pdf
Returns: Text
Zero data retention: Not on every provider
No training on requests: Yes, on every provider
Released: 2025-03-20
Newer model: google/gemini-3.5-flash-lite-batchReleased later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

Gemini 2.5 Flash is a thinking model that offers great, well-rounded capabilities. It is designed to offer a balance between price and performance with multimodal support and a 1M token context window.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-2.5-flash-batch",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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