Mistral Small 4 (Reasoning)
By Mistral · released 2026-03-16 (7 months) · snapshot 2026-10-24
- Intelligence index
- 11.30
- Cost to run the AA index
- $42.5
- Price per 1M tokens (in / out)
- $0.15 / $0.60
- End-to-end time
- 14.5s
Is Mistral Small 4 (Reasoning) on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-6 Luna (Medium) is at least as smart for the same money or less.
Next step up: GPT-6 Luna (High), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | Mistral Small 4 (Reasoning) | Mistral | 11.30 | $42.5 | 14.5s | 2026-03-16 | Open frontier | |
| 2 | GPT-6 Luna (Medium) | OpenAI | 29.90 | $31.2 | 8.25s | 2026-09-22 | Frontier | |
| 3 | GPT-6 Luna (High) | OpenAI | 32.90 | $47.9 | 11.2s | 2026-09-22 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
Mistral Small 4 (Reasoning) today
1 of 2 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: mistral-small-4.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- Mistral Small 4 (Reasoning) vs GPT-6 Luna (Medium)
- Mistral Small 4 (Reasoning) vs GPT-6 Luna (High)
- Mistral Small 4 (Reasoning) vs Mistral Small 4 (Non-reasoning)
- Mistral Small 4 (Reasoning) vs Claude Haiku 5.5 (Medium)
- Mistral Small 4 (Reasoning) vs GPT-6 Luna (Xhigh)
- Mistral Small 4 (Reasoning) vs Claude Haiku 5.5 (High)
- Mistral Small 4 (Reasoning) vs MiMo-V2.6-Flash
- Mistral Small 4 (Reasoning) vs GPT-6 Luna (Max)
What the Mistral Small 4 release did to the frontier on 2026-03-16
1 of 2 effort levels reached the frontier at launch (Mistral Small 4 (Reasoning)). Impact 0.66, #28 of 46 releases this past year.
Should you use Mistral Small 4 (Reasoning)?
Should you use Mistral Small 4 (Reasoning)?
Only when it fits your setup: GPT-6 Luna (Medium) is at least as smart for the same money or less, so Mistral Small 4 (Reasoning) is off the value frontier today.
What is better and cheaper than Mistral Small 4 (Reasoning)?
GPT-6 Luna (Medium) — at least as smart for the same money or less.
How much does Mistral Small 4 (Reasoning) cost?
$0.15/$0.60 in/out per 1M tokens, and $42.5 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is Mistral Small 4 (Reasoning) on the Pareto frontier?
No: GPT-6 Luna (Medium) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where Mistral Small 4 (Reasoning) 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/mistral-small-4 · Markdown: /api/v1/models/mistral-small-4?format=md · llms.txt · agent skill