#18 Gemini 3.5 Flash
medium- Cost
- $0.201
- Time
- 112.9s
- Tokens
- 22,371 tok
Google
Release: 2026-05-19
Tested on: 2026-08-14 02:47
google/gemini-3.5-flash::medium
~500B total (~20B active)MoEClosedEstimated
Summary
Gemini 3.5 Flash scores 9.0 on AI BENCHY and ranks #18. It has 10.0 reliability, a 83.3% pass rate, $0.665 total cost, and 8.48s average response time.
What makes Gemini 3.5 Flash unique: It stands out most in Trivia, where it ranks #1, while Puzzle Solving is its weakest area at #17.
Model facts
Researched on 2026-08-12
- Parameters
- ~500B total (~20B active)
- Architecture
- MoE
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. Google does not disclose parameter counts.
9.0
Consistency
9.7
10.0
$0.665
Total Output Tokens
62,173
Total Input Tokens
69,756
Input Price
$1.500 / 1M
Output Price
$9.000 / 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 02:47 Re-test | 9.0 | 10.0 | $0.665 | Current run | |
| 2026-07-16 23:01 New test added | 9.1 | 10.0 | $0.642 | Compare | |
| 2026-06-04 14:03 New test added | 9.0 | 10.0 | $0.582 | Compare | |
| 2026-05-22 00:29 Re-test | 9.0 | 10.0 | $0.472 | Compare | |
| 2026-05-19 23:35 Initial run | 9.2 | 10.0 | $0.393 | 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 02:47 · Current run | 66/66 attempts | 9.0 | 9.7 | 10.0 | 18/22 | 1 | 62,173 | 69,756 | $0.665 | 8.48s |
| 2026-07-16 23:01 · New test added | 66/66 attempts | 9.1 | 9.7 | 10.0 | 19/22 | 1 | 59,602 | 69,747 | $0.642 | 8.20s |
| Difference | — | -0.1 | 0.0 | 0.0 | -1 | 0 | +2571 | +9 | +$0.024 | +277ms |
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 | $1.500 / 1M | $9.000 / 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
Gemini 3.5 FlashmediumvsQwen3.7 MaxmediumGemini 3.5 FlashmediumvsGPT-5.5mediumGemini 3.5 FlashmediumvsSeed 2.1 TurbolowGemini 3.5 FlashmediumvsQwen3.8 MaxmediumGemini 3.5 FlashmediumvsClaude Opus 5mediumGemini 3.5 FlashmediumvsGrok 4.5highGemini 3.5 FlashmediumvsClaude Opus 5highGemini 3.5 FlashmediumvsGPT-5.3-CodexmediumGemini 3.5 FlashmediumvsGemini 3.7 FlashlowGemini 3.5 FlashmediumvsSeed 2.1 Turbohigh
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 10.0 | 10.0 | |
| Coding | 7.9 | 7.5 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 9.9 | 10.0 | |
| Puzzle Solving | 7.7 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 10.0 | 10.0 |