Model comparison
Gemini 3 Pro 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.
Sibling matchup inside the Gemini 3 Pro family.
Public leaderboard positions: Gemini 3 Pro #19 (Supported); Gemini 3 Pro Deep Think #41 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Gemini 3 Pro and Gemini 3 Pro Deep Think share 2 comparable benchmark results. 1 of 8 categories are comparable. 25 results are unique to Gemini 3 Pro; 0 to Gemini 3 Pro Deep Think.
Updated July 20, 2026- Shared results
- 2
- Gemini 3 Pro only
- 25
- Gemini 3 Pro Deep Think only
- 0
- Comparable categories
- 1 / 8
Gemini 3 Pro makes more sense if you would rather avoid the extra latency and token burn of a reasoning model, while Gemini 3 Pro Deep Think is the cleaner fit if reasoning is the priority or you want the stronger reasoning-first profile.
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
Gemini 3 Pro and Gemini 3 Pro Deep Think sit in the same Gemini 3 Pro family. This page is less about two unrelated model lineages and more about how the siblings trade off on benchmark shape, token costs, and practical limits like context window.
Gemini 3 Pro is clearly ahead on the BenchAlign aggregate, 67.73 to 61.31. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Gemini 3 Pro Deep Think is the reasoning model in the pair, while Gemini 3 Pro is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use.
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 | Gemini 3 Pro | Δ | Gemini 3 Pro Deep Think |
|---|---|---|---|
| Reasoning | Gemini 3 Pro31.1 | Margin→ 14.0 | Gemini 3 Pro Deep Think45.1 |
| Math | Gemini 3 Pro32.9 | MarginNo overlap | Gemini 3 Pro Deep ThinkNot measured |
| Multimodal | Gemini 3 Pro81.1 | 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 31.1%B 45.1%Winner: Gemini 3 Pro Deep ThinkΔ 14ARC-AGI-2: Gemini 3 Pro scored 31.1%; Gemini 3 Pro Deep Think scored 45.1%. Gemini 3 Pro Deep Think wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemini 3 Pro | Gemini 3 Pro Deep Think | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemini 3 Pro$2 input / $12 output | Gemini 3 Pro Deep ThinkNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Gemini 3 Pro109 tok/s | Gemini 3 Pro Deep ThinkNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemini 3 Pro32.65 s | Gemini 3 Pro Deep ThinkNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemini 3 Pro2M | Gemini 3 Pro Deep Think2M | Listed context windows are equal. |
Benchmark Deep Dive
Agentic3 benchmarks
Coding3 benchmarks
ReasoningGemini 3 Pro Deep Think wins3 benchmarks
Knowledge7 benchmarks
| Benchmark | Gemini 3 Pro | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 39.5% | — | Not comparable |
| AA-GPQA DiamondSource | 90.8% | — | Not comparable |
| AA-HLESource | 37.2% | — | Not comparable |
| AA-Omniscience IndexSource | 15.8% | — | Not comparable |
| AA-Omniscience AccuracySource | 55.9% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 90.9% | — | Not comparable |
| AA MMLU-ProSource | 89.8% | — | Not comparable |
Math2 benchmarks
Multilingual1 benchmarks
| Benchmark | Gemini 3 Pro | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| AA Global-MMLU-LiteSource | 92.2% | — | Not comparable |
Multimodal7 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemini 3 Pro | Gemini 3 Pro Deep Think | Result |
|---|---|---|---|
| AA-IFBenchSource | 70.4% | — | Not comparable |
Frequently Asked Questions (2)
Which is better, Gemini 3 Pro or Gemini 3 Pro Deep Think?
Gemini 3 Pro and Gemini 3 Pro Deep Think are sibling variants in the Gemini 3 Pro family, so the right pick depends on whether you value the better benchmark line, cheaper tokens, or the larger context window. Gemini 3 Pro is ahead on BenchLM's BenchAlign leaderboard 67.73 to 61.31.
Which is better for reasoning, Gemini 3 Pro or Gemini 3 Pro Deep Think?
Gemini 3 Pro Deep Think has the edge for reasoning in this comparison, averaging 45.1 versus 31.1. Inside this category, CritPt is the benchmark that creates the most daylight between them.
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