# Claude Opus 4.8 vs GPT-4.1

> Side-by-side benchmark comparison for Claude Opus 4.8 and GPT-4.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-8-vs-gpt-4-1
- Last updated: October 10, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Claude Opus 4.8 if you want the stronger benchmark profile. GPT-4.1 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.8 leads overall 69.12 to 37.89.
- The clearest category separation is in mathematics, where the averages are 65.7 for Claude Opus 4.8 and 28.5 for GPT-4.1.
- The biggest single benchmark swing is Gert Labs in Agentic, with scores of 72.97% and 25.65%.
- GPT-4.1 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.8 | GPT-4.1 |
|----------|----------|----------|
| Creator | Anthropic | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 1M |
| Overall Score | 69.12 | 37.89 |
| Benchmarks Covered | 40 | 8 |
| Pricing (input/output) | $5.00 / $25.00 | $2.00 / $8.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 61.6 (Supported · #20/123)
- GPT-4.1 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 21.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | Coming soon | Coming soon |
| BrowseComp | 84.3% | Coming soon | Coming soon |
| DeepSearchQA | 93.1% | Coming soon | Coming soon |
| OSWorld-Verified | 83.4% | Coming soon | Coming soon |
| Finance Agent v2 | 53.9% | Coming soon | Coming soon |
| MCP Atlas | 82.2% | Coming soon | Coming soon |
| Toolathlon | 59.9% | Coming soon | Coming soon |
| Gert Labs | 72.97% | 25.65% | Claude Opus 4.8 |
| ResearchClawBench | 21.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 20.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.9% | Coming soon | Coming soon |

### Coding

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 60.8 (Supported · #19/146)
- GPT-4.1 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 88.6% | 54.6% | Claude Opus 4.8 |
| SWE-bench Pro | 69.2% | Coming soon | Coming soon |
| SWE Multilingual | 84.4% | Coming soon | Coming soon |
| SWE Multimodal | 38.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | Coming soon | Coming soon |
| cursorBench31 | 58.4% | Coming soon | Coming soon |
| CursorBench 3.2 | 62.3% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 46.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 88.6% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 32.9% | Coming soon | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 62.9 (#24/28)
- GPT-4.1 public-lane score: 73 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 1.5% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 91.2 (#5/54)
- GPT-4.1 public-lane score: 54.7 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |
| ScreenSpot Pro | 87.9% | Coming soon | Coming soon |
| CharXiv | 89.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 80.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Claude Opus 4.8
- Claude Opus 4.8 public-lane score: 70.7 (Supported · #14/177)
- GPT-4.1 public-lane score: 36.9 (Supported · #122/177)

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93.6% | 66.3% | Claude Opus 4.8 |
| GPQA-D | 93.6% | Coming soon | Coming soon |
| HLE | 57.9% | Coming soon | Coming soon |
| HLE w/o tools | 49.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.6% | Coming soon | Coming soon |
| MMLU | Coming soon | 90.2% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: Coming soon
- GPT-4.1 public-lane score: 61.5 (#14/17)

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| INCLUDE | 87.6% | Coming soon | Coming soon |
| MMLU-ProX | Coming soon | 72.7% | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Opus 4.8 public-lane score: 75.4 (#61/127)
- GPT-4.1 public-lane score: 50.3 (#82/127)

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 87.4% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 65.7 (#2/7)
- GPT-4.1 public-lane score: 28.5 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.8 | GPT-4.1 | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 96.7% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 47.241% | 5.517% | Claude Opus 4.8 |
| FrontierMath v2 (Tier 4) | 31.250% | 0.000% | Claude Opus 4.8 |

## FAQ

### Which is better overall, Claude Opus 4.8 or GPT-4.1?

Claude Opus 4.8 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.8 and GPT-4.1?

The widest category gap is in mathematics, where the averages are 65.7 for Claude Opus 4.8 and 28.5 for GPT-4.1.

### How many benchmarks does Claude Opus 4.8 cover on BenchLM?

Claude Opus 4.8 currently has 40 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-4.1 cover on BenchLM?

GPT-4.1 currently has 8 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.8 vs GPT-4.1 mini](/compare/claude-opus-4-8-vs-gpt-4-1-mini)
- [GPT-4.1 vs GPT-4.1 mini](/compare/gpt-4-1-vs-gpt-4-1-mini)
- [Claude Opus 4.8 vs GPT-4.1 nano](/compare/claude-opus-4-8-vs-gpt-4-1-nano)
- [GPT-4.1 vs GPT-4.1 nano](/compare/gpt-4-1-vs-gpt-4-1-nano)

## Explore More

- [Claude Opus 4.8 profile](/models/claude-opus-4-8)
- [GPT-4.1 profile](/models/gpt-4-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)