Gemini 4 Carbon opens to everyone; llm-gemini 0.36 released
First seen Nov 10 Updated Nov 10, 23:33 UTC Heat 41 medium evidence
Simon Willison reports Gemini 4 Carbon, first announced for a subset of cyber defenders, is now open to everyone. He released llm-gemini 0.36 to support it. He says it supports low, medium and high thinking efforts, defaulting to medium.
- What to do
- Upgrade to llm-gemini 0.36 to use Gemini 4 Carbon.
- Who should care
- Developers using Gemini through the llm CLI or the API.
Why it matters: Gemini 4 Carbon costs $2/$10 per 1M tokens at launch but doubles to $4/$20 on December 1, so the cheap window is short.
Key facts
- Launch price $2 per 1M input and $10 per 1M output tokens
- Price scheduled to rise to $4/$20 on December 1
- Plugin version llm-gemini 0.36
Model
Gemini 4 Carbon Google
- Input
- $2.00
- Output
- $10
- Context
- 1.04858M
- Released
- –
Prices in USD per 1M tokens.
| Benchmark | Score | Rank |
|---|---|---|
| Epoch Capabilities Index | 169.8 ECI | #2 |
| GPQA Diamond | 96.5% | #1 |
| FrontierMath (Tiers 1-3) | 90.5% | #6 |
| ARC-AGI-2 | 94.2% | #2 |
| LMArena Text | 1526 rating | #1 |
| LMArena WebDev | 1768.2 rating | #4 |
Context
The author says the launch price matches GPT-6.1 Sol and Claude Sonnet 5.5, and the later price matches Opus 5.5.
Timeline
Coverage
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llm-gemini 0.36simonwillison.net · Simonwillison
Evidence
Medium evidence: several community reports point the same way, but there is no official confirmation yet.
Details written Nov 10, 23:31 UTC from the sources listed above.