#12 Gemini 3.1 Pro Preview
medium- Cost
- $0.115
- Time
- 87.2s
- Tokens
- 9,629 tok
Google
Release: 2026-02-19
Tested on: 2026-08-14 02:51
google/gemini-3.1-pro-preview::medium
~1.2T total (~20B active)MoEClosedEstimated Summary
Gemini 3.1 Pro Preview scores 9.2 on AI BENCHY and ranks #12. It has 10.0 reliability, a 90.9% pass rate, $1.352 total cost, and 20.62s average response time.
What makes Gemini 3.1 Pro Preview unique: It stands out most in Domain specific, where it ranks #2, while Coding is its weakest area at #15.
Model facts
Researched on 2026-08-12
- Parameters
- ~1.2T total (~20B active)
- Architecture
- MoE
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. Sparse MoE is documented; counts are estimated.
9.2
Consistency
10.0
10.0
$1.352
Total Output Tokens
97,238
Total Input Tokens
92,296
Input Price
$2.000 / 1M
Output Price
$12.000 / 1M
Flaky tests
0
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 02:51 Re-test | 9.2 | 10.0 | $1.352 | Current run | |
| 2026-07-16 23:01 New test added | 9.2 | 10.0 | $1.361 | Compare | |
| 2026-06-04 14:04 New test added | 9.4 | 10.0 | $1.054 | Compare | |
| 2026-05-22 00:30 Suite changed | 9.3 | 10.0 | $1.006 | Compare | |
| 2026-04-11 01:44 First recorded run | 9.6 | N/A | $0.578 | 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 02:51 · Current run | 66/66 attempts | 9.2 | 10.0 | 10.0 | 20/22 | 0 | 97,238 | 92,296 | $1.352 | 20.62s |
| 2026-07-16 23:01 · New test added | 66/66 attempts | 9.2 | 10.0 | 10.0 | 20/22 | 0 | 97,958 | 92,287 | $1.361 | 21.47s |
| Difference | — | 0.0 | 0.0 | 0.0 | 0 | 0 | -720 | +9 | -$0.009 | -851ms |
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 | $2.000 / 1M | $12.000 / 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 | 10.0 | 10.0 | |
| Coding | 7.9 | 9.9 | |
| Combined | 9.8 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 7.7 | 10.0 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 10.0 | 10.0 | |
| Puzzle Solving | 10.0 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 10.0 | 10.0 |