#266 Mistral Small 4
none- Cost
- $0.002
- Time
- 10.4s
- Tokens
- 2,370 tok
Mistral
Release: 2026-03-16
Tested on: 2026-08-14 02:04
mistralai/mistral-small-2603::none
119B total (6B active)MoEOpen source
(medium)
(none)
Summary
Mistral Small 4 scores 5.1 on AI BENCHY and ranks #266. It has 10.0 reliability, a 25.8% pass rate, $0.022 total cost, and 1.20s average response time.
What makes Mistral Small 4 unique: It is notably fast compared with similar models.
Model facts
Researched on 2026-08-12
- Parameters
- 119B total (6B active)
- Architecture
- MoE
- Availability
- Open source
- License
- Apache-2.0
The vendor also reports 8B active when embeddings are included; UI uses routed active parameters.
5.1
Consistency
9.6
10.0
$0.022
Total Output Tokens
9,812
Total Input Tokens
104,717
Input Price
$0.150 / 1M
Output Price
$0.600 / 1M
Flaky tests
1
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-14 02:04 Re-test | 5.1 | 10.0 | $0.022 | Current run | |
| 2026-07-16 22:21 New test added | 5.1 | 10.0 | $0.022 | Compare | |
| 2026-06-04 13:41 New test added | 4.9 | 10.0 | $0.007 | Compare | |
| 2026-05-22 00:14 Suite changed | 5.0 | 10.0 | $0.007 | Compare | |
| 2026-04-11 01:44 First recorded run | 5.2 | N/A | $0.006 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 02:04 · Current run | 66/66 attempts | 5.1 | 9.6 | 10.0 | 5/22 | 1 | 9,812 | 104,717 | $0.022 | 1.20s |
| 2026-05-22 00:14 · Suite changed | 60/60 attempts | 5.0 | 9.5 | 10.0 | 5/20 | 1 | 2,251 | 0 | $0.007 | 658ms |
| Difference | — | +0.2 | +0.1 | 0.0 | 0 | 0 | +7561 | +104717 | +$0.016 | +543ms |
Benchmark coverage differs: 66/66 attempts (Target: 3 repeats per test) versus 60/60 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-08-14 12:51 | $0.150 / 1M | $0.600 / 1M |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 3.4 | 7.9 | |
| Coding | 3.7 | 9.7 | |
| Combined | 3.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 4.0 | 10.0 | |
| Instructions following | 6.5 | 10.0 | |
| Puzzle Solving | 3.1 | 9.9 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |