Gemini 3.8 Flash vs Claude Haiku 4.5
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 3.8 Flash | Claude Haiku 4.5 | Advantage |
|---|---|---|---|
| Capability | 53% | 62% | +8% (Claude Haiku 4.5 leads) |
| Median task time | 4m 14s | 3m 31s | 43s faster (Claude Haiku 4.5 leads) |
| Approx. task cost | $0.063 / task | $0.004 / task | $0.059 / task lower (Claude Haiku 4.5 leads) |
Gemini 3.8 Flash: 20.4% of Google AI Pro (122.4% / 5h, 20.4% / 1w) per run. Its weekly limit holds 6 of the week's 33.6 5h windows. Claude Haiku 4.5: 4.0% of Claude Max 20x (4.0% / 5h, 1.0% / 1w) per run. Its weekly limit holds about 7.2 of the week's 33.6 5h windows. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | Gemini 3.8 Flash | Claude Haiku 4.5 | Advantage |
|---|---|---|---|
| Capability | 39% | 25% | +14% (Gemini 3.8 Flash leads) |
| Median task time | 2m 39s | 2m 9s | 30s faster (Claude Haiku 4.5 leads) |
| Approx. task cost | $0.022 / task | not measured | - |
Gemini 3.8 Flash: 1.9% of Google AI Pro (11.7% / 5h, 1.9% / 1w) per run. Its weekly limit holds 6 of the week's 33.6 5h windows. Claude Haiku 4.5: 0.0% of Claude Max 20x per run. Its weekly limit holds about 7.2 of the week's 33.6 5h windows. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | Gemini 3.8 Flash | Claude Haiku 4.5 | Advantage |
|---|---|---|---|
| Capability | 52% | 21% | +31% (Gemini 3.8 Flash leads) |
| Median task time | 7m 7s | 4m 18s | 2m 49s faster (Claude Haiku 4.5 leads) |
| Approx. task cost | $0.046 / task | $0.003 / task | $0.043 / task lower (Claude Haiku 4.5 leads) |
Gemini 3.8 Flash: 1.0% of Google AI Pro (6.0% / 5h, 1.0% / 1w) per good solve. Its weekly limit holds 6 of the week's 33.6 5h windows. Claude Haiku 4.5: 0.2% of Claude Max 20x (0.2% / 5h) per good solve. Its weekly limit holds about 7.2 of the week's 33.6 5h windows. 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 3.8 Flash or Claude Haiku 4.5?
Gemini 3.8 Flash clears higher: tier 3 of 5 versus tier 1 for Claude Haiku 4.5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-09-02.