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Google: Gemini 4 Carbon (batch)

google/gemini-4-carbon:batch

Gemini 4 Carbon is a frontier Gemini 4 model from Google for coding, agentic and complex reasoning work. It takes text, image, audio, video and file input, supports long decode...

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Pricing

Input$0.7000 /M
Output$3.50 /M
Reasoning$3.50 /M
Cache read$0.0350 /M
Cache write$0.1312 /M
Image$0.00000 /image
Web search$0.0098 /req

Specs

Context length1M tokens
Max output943.7K tokens
Inputaudio, file, image, text, video
Outputtext

Quickstart

Point the OpenAI SDK at https://tokenroute.app/api/v1 and use a TokenRoute API key.

bash
curl https://tokenroute.app/api/v1/chat/completions \
  -H "Authorization: Bearer $TOKENROUTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-4-carbon:batch",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Supported parameters

include_reasoning
max_tokens
reasoning
reasoning_effort
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_p