Model comparison
Claude Opus 5 vs Gemini 3 Pro Deep Think
Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude Opus 5 #1 (Estimated); Gemini 3 Pro Deep Think #44 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Opus 5 and Gemini 3 Pro Deep Think share 2 comparable benchmark results. 1 of 8 categories are comparable. 77 results are unique to Claude Opus 5; 0 to Gemini 3 Pro Deep Think.
Updated July 24, 2026- Shared results
- 2
- Claude Opus 5 only
- 77
- Gemini 3 Pro Deep Think only
- 0
- Comparable categories
- 1 / 8
Pick Claude Opus 5 if you want the stronger benchmark profile. Gemini 3 Pro Deep Think only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 1 evidence category; 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 5 is clearly ahead on the BenchAlign aggregate, 85.88 to 60.58. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 5's sharpest advantage is in reasoning, where it averages 90.4 against 45.1. The single biggest benchmark swing on the page is ARC-AGI-2, 90.4% to 45.1%.
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 5 | Δ | Gemini 3 Pro Deep Think |
|---|---|---|---|
| Reasoning | Claude Opus 590.4 | Margin← 45.3 | Gemini 3 Pro Deep Think45.1 |
| Agentic | Claude Opus 590.8 | MarginNo overlap | Gemini 3 Pro Deep ThinkNot measured |
| Coding | Claude Opus 589.5 | MarginNo overlap | Gemini 3 Pro Deep ThinkNot measured |
| Knowledge | Claude Opus 564.7 | MarginNo overlap | Gemini 3 Pro Deep ThinkNot measured |
| Multimodal | Claude Opus 566.9 | MarginNo overlap | Gemini 3 Pro Deep ThinkNot measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
ARC-AGI-2
ReasoningA 90.4%B 45.1%Winner: Claude Opus 5Δ 45.3ARC-AGI-2: Claude Opus 5 scored 90.4%; Gemini 3 Pro Deep Think scored 45.1%. Claude Opus 5 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 5 | Gemini 3 Pro Deep Think | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 5$5 input / $25 output | Gemini 3 Pro Deep ThinkNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Opus 5Not available | Gemini 3 Pro Deep ThinkNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 5Not available | Gemini 3 Pro Deep ThinkNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 5Not available | Gemini 3 Pro Deep Think2M | A complete context comparison is not available. |
Benchmark Deep Dive
Agentic24 benchmarks
| Benchmark | Claude Opus 5 | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| FrontierBench v0.1Source | 43.3% | — | Not comparable |
| BrowseCompSource | 90.8% | — | Not comparable |
| HLE w/ toolsSource | 64.7% | — | Not comparable |
| DeepSearchQASource | 95.0% | — | Not comparable |
| DRACOSource | 88.6% | — | Not comparable |
| BrowseComp (10-agent, prerelease)Source | 93.6% | — | Not comparable |
| OSWorld 2.0Source | 70.6% | — | Not comparable |
| MCP AtlasSource | 85.8% | — | Not comparable |
| MCP-Atlas claim coverageSource | 89.1% | — | Not comparable |
| LAB all-pass (Anthropic harness)Source | 23.58% | — | Not comparable |
| LAB criterion-pass (Anthropic harness)Source | 93.74% | — | Not comparable |
| LAB all-pass (Harvey held-out)Source | 11.7% | — | Not comparable |
| LAB criterion-pass (Harvey held-out)Source | 94.1% | — | Not comparable |
| GDPval-AASource | 1861 | — | Not comparable |
| Toolathlon-VerifiedSource | 80.6% | — | Not comparable |
| Toolathlon Verified Pass@3Source | 87.0% | — | Not comparable |
| Toolathlon Verified Pass³Source | 73.1% | — | Not comparable |
| Toolathlon Verified avg. turnsSource | 23.5 turns | — | Not comparable |
| AutomationBenchSource | 26.0% | — | Not comparable |
| AA Agentic IndexSource | 55.3% | — | Not comparable |
| GDPval-AASource | 68.0% | — | Not comparable |
| AA Tau3 BankingSource | 30.3% | — | Not comparable |
| AA BriefcaseSource | 1720 | — | Not comparable |
| aaTerminalBench21Source | 89.1% | — | Not comparable |
Coding12 benchmarks
| Benchmark | Claude Opus 5 | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 96% | — | Not comparable |
| SWE-bench ProSource | 79.2% | — | Not comparable |
| SWE MultilingualSource | 89.5% | — | Not comparable |
| SWE MultimodalSource | 59.4% | — | Not comparable |
| deepSweSource | 68.8% | — | Not comparable |
| FrontierCode 1.1 MainSource | 53.4% | — | Not comparable |
| FrontierCode 1.1 ExtendedSource | 63.6% | — | Not comparable |
| ProgramBench (episode 1)Source | 83.0% | — | Not comparable |
| ProgramBenchSource | 93.0% | — | Not comparable |
| cursorBench32Source | 70.0% | — | Not comparable |
| AA Coding IndexSource | 78.0% | — | Not comparable |
| AA-SciCodeSource | 55.7% | — | Not comparable |
ReasoningClaude Opus 5 wins5 benchmarks
Knowledge21 benchmarks
| Benchmark | Claude Opus 5 | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| HLESource | 64.7% | — | Not comparable |
| HLE w/o toolsSource | 56.3% | — | Not comparable |
| HealthBench (raw)Source | 67.1% | — | Not comparable |
| HealthBench (length-adjusted)Source | 57.8% | — | Not comparable |
| HealthBench ProfessionalSource | 59.8% | — | Not comparable |
| HealthBench Professional (raw)Source | 73.4% | — | Not comparable |
| BioMysteryBench (human-solvable)Source | 90.1% | — | Not comparable |
| BioMysteryBench (human-difficult)Source | 49.4% | — | Not comparable |
| SpatialBench VerifiedSource | 72.5% | — | Not comparable |
| SingleCellBenchSource | 60.6% | — | Not comparable |
| ProteinGym HardSource | 47.7% | — | Not comparable |
| Protein DesignSource | 42.5% | — | Not comparable |
| Organic chemistry V2Source | 61.6% | — | Not comparable |
| Protocols (troubleshooting)Source | 61.1% | — | Not comparable |
| Protocols (understanding)Source | 78.4% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 60.7% | — | Not comparable |
| AA-GPQA DiamondSource | 93.2% | — | Not comparable |
| AA-HLESource | 52.6% | — | Not comparable |
| AA-Omniscience IndexSource | 31.3% | — | Not comparable |
| AA-Omniscience AccuracySource | 54.2% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 50.1% | — | Not comparable |
Math5 benchmarks
Multilingual3 benchmarks
Multimodal9 benchmarks
| Benchmark | Claude Opus 5 | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| Chartography (no tools)Source | 29.6% | — | Not comparable |
| Chartography (tools)Source | 83.0% | — | Not comparable |
| BenchCAD Vision2Code (no tools)Source | 0.366 | — | Not comparable |
| BenchCAD Vision2Code (tools)Source | 0.821 | — | Not comparable |
| GDP.pdf (no tools)Source | 83.4% | — | Not comparable |
| GDP.pdf (tools)Source | 85.5% | — | Not comparable |
| OfficeQASource | 78.1% | — | Not comparable |
| OfficeQA ProSource | 66.9% | — | Not comparable |
| AA-MMMU-ProSource | 84.7% | — | Not comparable |
Frequently Asked Questions (2)
Which is better, Claude Opus 5 or Gemini 3 Pro Deep Think?
Claude Opus 5 is ahead on BenchLM's BenchAlign leaderboard, 85.88 to 60.58. The biggest single separator in this matchup is ARC-AGI-2, where the scores are 90.4% and 45.1%.
Which is better for reasoning, Claude Opus 5 or Gemini 3 Pro Deep Think?
Claude Opus 5 has the edge for reasoning in this comparison, averaging 90.4 versus 45.1. Inside this category, ARC-AGI-2 is the benchmark that creates the most daylight between them.