Gemini 3.1 Pro Preview
By Google · released 2026-02-19 (8 months) · snapshot 2026-10-24
- Intelligence index
- 29.70
- Cost to run the AA index
- $1935
- Price per 1M tokens (in / out)
- $2.00 / $12.0
- End-to-end time
- 24.9s
Is Gemini 3.1 Pro Preview on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-6.1 Sol (Max) is at least as smart for the same money or less.
Next step up: Claude Opus 5.5 (High, Default Fallback), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | Gemini 3.1 Pro Preview | 29.70 | $1935 | 24.9s | 2026-02-19 | |||
| 2 | GPT-6.1 Sol (Max) | OpenAI | 51.80 | $1082 | 220.5s | 2026-09-29 | Frontier | |
| 3 | Claude Opus 5.5 (High, Default Fallback) | Anthropic | 53.60 | $2172 | 33.8s | 2026-09-22 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
Gemini 3.1 Pro Preview today
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: gemini-3-1-pro-preview.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
What the Gemini 3.1 Pro Preview release did to the frontier on 2026-02-19
1 of 1 effort levels reached the frontier at launch (Gemini 3.1 Pro Preview). Impact 3.65, #10 of 46 releases this past year.
Should you use Gemini 3.1 Pro Preview?
Should you use Gemini 3.1 Pro Preview?
Only when it fits your setup: GPT-6.1 Sol (Max) is at least as smart for the same money or less, so Gemini 3.1 Pro Preview is off the value frontier today.
What is better and cheaper than Gemini 3.1 Pro Preview?
GPT-6.1 Sol (Max) — at least as smart for the same money or less.
How much does Gemini 3.1 Pro Preview cost?
$2.00/$12 in/out per 1M tokens, and $1935 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is Gemini 3.1 Pro Preview on the Pareto frontier?
No: GPT-6.1 Sol (Max) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where Gemini 3.1 Pro Preview is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | |
| AA intelligence index | End-to-end total seconds | |
| AA intelligence index | Output speed tokens/sec |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/gemini-3-1-pro-preview · Markdown: /api/v1/models/gemini-3-1-pro-preview?format=md · llms.txt · agent skill