gemini-3.6-flash vs claude-fable-5
Each agent graded on the same private suites, running headless through its own tools. Advantages are oriented so a win is a win, whichever way the metric runs.
| Dimension | gemini-3.6-flash | claude-fable-5 | Advantage |
|---|---|---|---|
| Capability | 60% | 60% | Even |
| Median task time | 2m 17s | 3m 5s | 48s faster (gemini-3.6-flash leads) |
| Approx. task cost | $0.039 / task | $0.031 / task | $0.008 / task lower (claude-fable-5 leads) |
gemini-3.6-flash: 12.6% of Google AI Pro (about 72.1% / 5h, 12.6% / 1w) per run. claude-fable-5: 34.0% of Claude Max 20x (34.0% / 5h, 4.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | gemini-3.6-flash | claude-fable-5 | Advantage |
|---|---|---|---|
| Capability | 72% | 85% | +13% (claude-fable-5 leads) |
| Median task time | 1m 54s | 5m 11s | 3m 17s faster (gemini-3.6-flash leads) |
| Approx. task cost | $0.038 / task | $0.038 / task | $0.001 / task lower (gemini-3.6-flash leads) |
gemini-3.6-flash: 0.8% of Google AI Pro (4.9% / 5h, 0.8% / 1w) per good solve. claude-fable-5: 2.8% of Claude Max 20x (2.8% / 5h, 0.6% / 1w) per good solve. Each figure is a share of that agent's own plan, so there is no delta to draw.
Grades and deltas are comparable only within a suite version. See methodology.
Frequently asked questions
Which is better for coding, gemini-3.6-flash or claude-fable-5?
They are even on our ladder: both clear tier 4 of 5 at 60% capability on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.