Model comparison
Claude Opus 4.7 vs Gemini 3 Flash
Head-to-head evidence from 18 shared benchmark results across 7 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
BenchAlign evidence: Claude Opus 4.7 supported; Gemini 3 Flash supported. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Opus 4.7 and Gemini 3 Flash share 18 comparable benchmark results. 1 of 8 categories are comparable. 4 results are unique to Claude Opus 4.7; 2 to Gemini 3 Flash.
Updated July 15, 2026- Shared results
- 18
- Claude Opus 4.7 only
- 4
- Gemini 3 Flash only
- 2
- Comparable categories
- 1 / 8
Pick Claude Opus 4.7 if you want the stronger benchmark profile. Gemini 3 Flash only becomes the better choice if you want the cheaper token bill.
Confidence note. This is a partial-evidence comparison with 18 shared benchmark results across 7 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Claude Opus 4.7 is clearly ahead on the provisional aggregate, 69 to 54. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.7's sharpest advantage is in mathematics, where it averages 38.6 against 27.8. The single biggest benchmark swing on the page is FrontierMath v2 (Tier 4), 22.917% to 4.167%.
Claude Opus 4.7 is also the more expensive model on tokens at $5.00 input / $25.00 output per 1M tokens, versus $0.50 input / $3.00 output per 1M tokens for Gemini 3 Flash. That is roughly 8.3x on output cost alone.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude Opus 4.7 | Δ | Gemini 3 Flash |
|---|---|---|---|
| Math | Claude Opus 4.738.6 | Margin← 10.8 | Gemini 3 Flash27.8 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
FrontierMath v2 (Tier 4)
MathA 22.917%B 4.167%Winner: Claude Opus 4.7Δ 18.8FrontierMath v2 (Tier 4): Claude Opus 4.7 scored 22.917%; Gemini 3 Flash scored 4.167%. Claude Opus 4.7 wins this benchmark. - Source ↗
FrontierMath v2 (Tiers 1-3)
MathA 43.793%B 35.640%Winner: Claude Opus 4.7Δ 8.2FrontierMath v2 (Tiers 1-3): Claude Opus 4.7 scored 43.793%; Gemini 3 Flash scored 35.640%. Claude Opus 4.7 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 4.7 | Gemini 3 Flash | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 4.7$5 input / $25 output | Gemini 3 Flash$0.5 input / $3 output | Gemini 3 Flash has the lower combined listed price. |
| Generation speedtokens per second | Claude Opus 4.7Not available | Gemini 3 Flash159 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 4.7Not available | Gemini 3 Flash1.19 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 4.71M | Gemini 3 Flash1M | Listed context windows are equal. |
Benchmark Deep Dive
Agentic6 benchmarks
Coding5 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Claude Opus 4.7 | Gemini 3 Flash | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 42.7% | 27.4% | Claude Opus 4.7 leads |
| AA-GPQA DiamondSource | 88.5% | 81.2% | Claude Opus 4.7 leads |
| AA-HLESource | 31.2% | 14.1% | Claude Opus 4.7 leads |
| AA-Omniscience IndexSource | 14.2% | -3.6% | Claude Opus 4.7 leads |
| AA-Omniscience AccuracySource | 43.5% | 45.5% | Gemini 3 Flash leads |
| AA-Omniscience Hallucination RateSource | 51.9% | 90.2% | Claude Opus 4.7 leads |
MathClaude Opus 4.7 wins2 benchmarks
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude Opus 4.7 | Gemini 3 Flash | Result |
|---|---|---|---|
| AA-IFBenchSource | 43.6% | 55.1% | Gemini 3 Flash leads |
Frequently Asked Questions (2)
Which is better, Claude Opus 4.7 or Gemini 3 Flash?
Claude Opus 4.7 is ahead on BenchLM's provisional leaderboard, 69 to 54. The biggest single separator in this matchup is FrontierMath v2 (Tier 4), where the scores are 22.917% and 4.167%.
Which is better for math, Claude Opus 4.7 or Gemini 3 Flash?
Claude Opus 4.7 has the edge for math in this comparison, averaging 38.6 versus 27.8. Inside this category, FrontierMath v2 (Tier 4) is the benchmark that creates the most daylight between them.
Related Comparisons
The AI models change fast. We track them for you.
A weekly brief for engineers and researchers covering new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.