# Gemini 3.1 Pro vs Inkling

> Side-by-side benchmark comparison for Gemini 3.1 Pro and Inkling across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-pro-vs-inkling
- Last updated: October 14, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Gemini 3.1 Pro leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 3.1 Pro has the higher overall point estimate 64.63 to 52.13. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 58.2 for Gemini 3.1 Pro and 79 for Inkling.
- The biggest single benchmark swing is FrontierMath v2 (Tiers 1-3) in Mathematics, with scores of 59.649% and 33.333%.
- Inkling is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemini 3.1 Pro | Inkling |
|----------|----------|----------|
| Creator | Google | Thinking Machines Lab |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 1M | 1M |
| Overall Score | 64.63 | 52.13 |
| Benchmarks Covered | 29 | 24 |
| Pricing (input/output) | $2.00 / $12.00 | $1.87 / $4.68 |

## Category Breakdown

### Agentic

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 38.4 (Supported · #67/124)
- Inkling public-lane score: 36.2 (Supported · #72/124)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 57.8% | Coming soon | Coming soon |
| DeepSearchQA | 69.7% | Coming soon | Coming soon |
| τ²-bench results | 95.6% | Coming soon | Coming soon |
| Gert Labs | 56.87% | Coming soon | Coming soon |
| ResearchClawBench | 13.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 70.8% | 47.6% | Gemini 3.1 Pro |
| Terminal-Bench 2.1 | Coming soon | 63.8% | Coming soon |
| BrowseComp | Coming soon | 77.1% | Coming soon |
| MCP Atlas | Coming soon | 74.1% | Coming soon |
| CWE-bench v1 | Coming soon | 37.0% | Coming soon |

### Coding

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 39.8 (Supported · #65/149)
- Inkling public-lane score: 34 (Supported · #80/149)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 82.9% | Coming soon | Coming soon |
| React Native Evals | 78.9% | Coming soon | Coming soon |
| Vibe Code Bench | 32.03% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.5% | 85.5% | Gemini 3.1 Pro |
| SWE-bench (Vals) | 78.8% | 77.6% | Gemini 3.1 Pro |
| PostTrainBench v1.1 | 22.0% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 77.6% | Coming soon |
| SWE-bench Pro | Coming soon | 54.3% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 63.8% | Coming soon |
| FrontierSWE v2 | Coming soon | 4.1% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 58.2 (Unranked · 2 rankable rows)
- Inkling public-lane score: 79 (#14/29)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 77.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 80.1 (#17/54)
- Inkling public-lane score: 67.5 (#35/54)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83.9% | 73.5% | Gemini 3.1 Pro |
| CharXiv | 80.2% | 82% | Inkling |
| ERQA | 69.4% | Coming soon | Coming soon |
| SimpleVQA | 72.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.4% | Coming soon | Coming soon |
| ZeroBench | 29.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 81.3% | Coming soon | Coming soon |
| CharXiv w/o tools | Coming soon | 78.1% | Coming soon |

### Knowledge

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 67.4 (Supported · #26/181)
- Inkling public-lane score: 54.5 (Supported · #62/181)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 94.3% | 87.9% | Gemini 3.1 Pro |
| HLE w/o tools | 45.4% | 30% | Gemini 3.1 Pro |
| HealthBench Hard | 20.6% | Coming soon | Coming soon |
| MedXpertQA (Text) | 71.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.5% | 87.1% | Gemini 3.1 Pro |
| MMLU-Pro (Vals) | 91.0% | 86.3% | Gemini 3.1 Pro |
| GPQA | Coming soon | 87.9% | Coming soon |
| HLE | Coming soon | 46% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: Coming soon
- Inkling public-lane score: 87.6 (#35/128)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 65 (Unranked · 2 rankable rows)
- Inkling public-lane score: 58.3 (#11/12)

| Benchmark | Gemini 3.1 Pro | Inkling | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 59.649% | 33.333% | Gemini 3.1 Pro |
| FrontierMath v2 (Tier 4) | 26.829% | 4.878% | Gemini 3.1 Pro |
| AIME26 | Coming soon | 97.1% | Coming soon |

## FAQ

### Which is better overall, Gemini 3.1 Pro or Inkling?

Gemini 3.1 Pro has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemini 3.1 Pro and Inkling?

The widest category gap is in reasoning, where the averages are 58.2 for Gemini 3.1 Pro and 79 for Inkling.

### How many benchmarks does Gemini 3.1 Pro cover on BenchLM?

Gemini 3.1 Pro currently has 29 sourced benchmark scores on BenchLM.

### How many benchmarks does Inkling cover on BenchLM?

Inkling currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.1 Pro vs Inkling-Small](/compare/gemini-3-1-pro-vs-inkling-small)
- [Inkling vs Inkling-Small](/compare/inkling-vs-inkling-small)
- [Gemini 3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-1-pro)
- [Inkling vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-inkling)

## Explore More

- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [Inkling profile](/models/inkling)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)