# Claude Opus 4.7 vs Gemini 3.8 Flash

> Side-by-side benchmark comparison for Claude Opus 4.7 and Gemini 3.8 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-7-vs-gemini-3-8-flash
- Last updated: October 17, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Gemini 3.8 Flash leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 3.8 Flash has the higher overall point estimate 69.25 to 66.74. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 54.5 for Claude Opus 4.7 and 65.9 for Gemini 3.8 Flash.
- The biggest single benchmark swing is OSWorld 2.0 in Agentic, with scores of 13.9% and 59.0%.
- Gemini 3.8 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.7 | Gemini 3.8 Flash |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 66.74 | 69.25 |
| Benchmarks Covered | 15 | 31 |
| Pricing (input/output) | $5.00 / $25.00 | $0.75 / $3.75 |

## Category Breakdown

### Agentic

- Winner: Gemini 3.8 Flash
- Claude Opus 4.7 public-lane score: 54.5 (Supported · #42/128)
- Gemini 3.8 Flash public-lane score: 65.9 (Supported · #16/128)

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 65.59% | Coming soon | Coming soon |
| ResearchClawBench | 20.7% | Coming soon | Coming soon |
| OSWorld 2.0 | 13.9% | 59.0% | Gemini 3.8 Flash |
| Terminal-Bench 2.1 (Vals) | 68.5% | 81.3% | Gemini 3.8 Flash |
| ApprenticeBench | 7% | 24% | Gemini 3.8 Flash |
| Finance Agent v2 | Coming soon | 61.4% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 89.4% | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 19.10% | Coming soon |
| Hermes Index | Coming soon | 38.1% | Coming soon |
| Hermes Bench | Coming soon | 62.2% | Coming soon |
| MazeBench | Coming soon | 4% | Coming soon |

### Coding

- Winner: Gemini 3.8 Flash
- Claude Opus 4.7 public-lane score: 55.4 (Supported · #32/150)
- Gemini 3.8 Flash public-lane score: 61 (Supported · #17/150)

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 71.00% | Coming soon | Coming soon |
| React Native Evals | 82.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 38.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.1% | 89.5% | Gemini 3.8 Flash |
| SWE-bench (Vals) | 82.0% | 80.0% | Claude Opus 4.7 |
| PostTrainBench v1.1 | 28.6% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 73.8% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 89.4% | Coming soon |
| CursorBench 3.2 | Coming soon | 69.2% | Coming soon |
| FrontierSWE v2 | Coming soon | 19.6% | Coming soon |
| CursorBench 4.0 | Coming soon | 39.6% | Coming soon |
| Bug Hunt Bench | Coming soon | 18.0 fixes | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.7 public-lane score: Coming soon
- Gemini 3.8 Flash public-lane score: 74.3 (#17/28)

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 98.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 89.2% | Coming soon |
| ARC-AGI-3 | Coming soon | 10.4% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.7 public-lane score: Coming soon
- Gemini 3.8 Flash public-lane score: 87.3 (#9/54)

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| CharXiv w/o tools | Coming soon | 86.2% | Coming soon |
| LVBench | Coming soon | 87.1% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.7 public-lane score: 66.2 (Estimated · #30/184)
- Gemini 3.8 Flash public-lane score: 73.5 (Supported · #13/184)

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 90.2% | 94.4% | Gemini 3.8 Flash |
| MMLU-Pro (Vals) | 89.9% | 90.2% | Gemini 3.8 Flash |
| HLE-Verified | Coming soon | 54.9% | Coming soon |
| LABBench2 | Coming soon | 86.2% | Coming soon |
| BioMysteryBench (human-solvable) | Coming soon | 88.8% | Coming soon |
| BioMysteryBench (human-difficult) | Coming soon | 56.5% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.7 public-lane score: Coming soon
- Gemini 3.8 Flash public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 5.5% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.7 public-lane score: 72.9 (Unranked · 2 rankable rows)
- Gemini 3.8 Flash public-lane score: 69.7 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.7 | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 70.175% | 68.421% | Claude Opus 4.7 |
| FrontierMath v2 (Tier 4) | 31.707% | 21.951% | Claude Opus 4.7 |

## FAQ

### Which is better overall, Claude Opus 4.7 or Gemini 3.8 Flash?

Gemini 3.8 Flash has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Opus 4.7 and Gemini 3.8 Flash?

The widest category gap is in agentic, where the averages are 54.5 for Claude Opus 4.7 and 65.9 for Gemini 3.8 Flash.

### How many benchmarks does Claude Opus 4.7 cover on BenchLM?

Claude Opus 4.7 currently has 15 sourced benchmark scores on BenchLM.

### How many benchmarks does Gemini 3.8 Flash cover on BenchLM?

Gemini 3.8 Flash currently has 31 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.7 vs Claude Opus 4.7 (Adaptive)](/compare/claude-opus-4-7-vs-claude-opus-4-7-adaptive)
- [Gemini 3.8 Flash vs Claude Opus 4.7 (Adaptive)](/compare/claude-opus-4-7-adaptive-vs-gemini-3-8-flash)
- [Claude Opus 4.7 vs Gemini 3.8 Flash Cyber](/compare/claude-opus-4-7-vs-gemini-3-8-flash-cyber)
- [Gemini 3.8 Flash vs Gemini 3.8 Flash Cyber](/compare/gemini-3-8-flash-vs-gemini-3-8-flash-cyber)

## Explore More

- [Claude Opus 4.7 profile](/models/claude-opus-4-7)
- [Gemini 3.8 Flash profile](/models/gemini-3-8-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)