Gemma 4 31B IT

google/gemma-4-31b-it

A chat model with a 262K-token context window, at $0.147 per million input tokens and $0.42 per million output tokens.

Details

Maker: google
Kind: Chat
Context window: 262,144 tokens
Max output: 131,072 tokens
Input: $0.147 per million tokens
Output: $0.42 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: Not on every provider
Released: 2026-04-02

Description

Gemma 4 31B is engineered to tackle the most demanding enterprise workloads and complex reasoning tasks. With an expansive 256K-token context window, the 31B model can effortlessly ingest entire codebases, and massive sets of images in a single prompt.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemma-4-31b-it",
    "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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