Gemini 4 Carbon
Gemini 4 Carbon is Google’s frontier model for long-horizon agentic work across software engineering, scientific reasoning, and cybersecurity defense, with a unified 1M token context window and deeper tunable thinking than Gemini 4 Argon.
Input / output
$2.50 / $12.50
per 1M tokens
Context
1M
64K max output
Reasoning
On
fixed effort
Cached input
$0.125
95% off input
Modalities
Text, image, video, audio
out: text
Pricing
USD per 1M tokensInput
$2.50
Cached input
$0.125
Output incl. reasoning
$12.50
| Similar models | Input | Output |
|---|---|---|
| Gemini 4 Carbon | $2.50 | $12.50 |
| DeepSeek V4.1 Flash 1017 Ultrafast | $3.00 | $12.00 |
| Aion 3.5 | $3.75 | $7.50 |
| Aion 3.0 | $3.75 | $7.50 |
| Kimi K3.1 Pro | $2.00 | $10.00 |
Prompt caching is automatic; see Prompt caching.
Specs
- Model ID
gemini-4-carbon- Endpoint
POST /api/v1/chat/completions- Context window
- 1,000,000 tokens
- Max output
- 65,536 tokens
- Reasoning effort
- On at a fixed effort; send
to turn it off where the model allows · guide"reasoning": {"enabled": false } - Served precision
- Set by the upstream provider
- Added
- Nov 10, 2026
Capabilities
Modalities
- Text
- Input and output
- Image
- Input only · up to 1
- Audio
- Input only
- Video
- Input only
Features
- Streaming (SSE)
- Supported
- Function calling
- Supported
- Structured output (json_schema)
- Supported
- Reasoning effort
- Not adjustable
- Prompt caching
- Supported
- Web search
- venice_parameters
- X search
- Not supported
- Log probabilities
- Not supported
- Fine-tuning
- Not supported
- Image generation
- Not supported
POST
/api/v1/chat/completionsRecommendedcurl https://api.venice.ai/api/v1/chat/completions \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-4-carbon",
"messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }]
}'Privacy
Tier 1 · this model
Anonymized
Venice hides your identity and stores no prompts. Google still sees the content.
Tier 2
Private
Not available
Tier 3
TEE
Not available
Tier 4
End-to-end encrypted
Not available