gemini-3.7-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-3.7-flash | claude-fable-5 | Advantage |
|---|---|---|---|
| Capability | 73% | 60% | +13% (gemini-3.7-flash leads) |
| Median task time | 2m 25s | 3m 5s | 40s faster (gemini-3.7-flash leads) |
| Approx. task cost | $0.028 / task | $0.031 / task | $0.003 / task lower (gemini-3.7-flash leads) |
gemini-3.7-flash: 9.0% of Google AI Pro (54.0% / 5h, 9.0% / 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-3.7-flash | claude-fable-5 | Advantage |
|---|---|---|---|
| Capability | 72% | 85% | +13% (claude-fable-5 leads) |
| Median task time | 3m 37s | 5m 11s | 1m 34s faster (gemini-3.7-flash leads) |
| Approx. task cost | $0.031 / task | $0.038 / task | $0.008 / task lower (gemini-3.7-flash leads) |
gemini-3.7-flash: 0.7% of Google AI Pro (4.0% / 5h, 0.7% / 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-3.7-flash or claude-fable-5?
Both clear tier 4 of 5, but gemini-3.7-flash scores higher on capability: 73% versus 60% on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-13.