Compare / head-to-head
Claude Opus 4.8vsGPT-4.1
Claude Opus 4.8 leads 5 of 5 shared benchmarks. GPT-4.1 is 3x cheaper per token. GPT-4.1 has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
5 – 0
Claude Opus 4.8 leads
Cheaper per token
GPT-4.1
3x cheaper, input + output
Larger context
GPT-4.1
1.0M tokens
Provider uptime (30d)
100% · 95.107%
Anthropic · OpenAI
Claude Opus 4.8
Anthropic · released 2026-05-28
textvision
Quality
Benchmark matrix
5 shared · 11 only Claude Opus 4.8 · 4 only GPT-4.1| Benchmark | Claude Opus 4.8 | GPT-4.1 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 5 | ||||
| SWE-bench Verified | 88.6% ↗ | 54.6% ↗ | +34 pt | Claude Opus 4.8 |
| GPQA Diamond | 93.6% ↗ | 66.3% ↗ | +27.3 pt | Claude Opus 4.8 |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 80% ↗epoch | 6% ↗epoch | +74 pt | Claude Opus 4.8 |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 98.3% ↗epoch | 38.3% ↗epoch | +60 pt | Claude Opus 4.8 |
| SimpleQA Verified | 53% ↗epoch | 31.1% ↗epoch | +21.9 pt | Claude Opus 4.8 |
| Only Claude Opus 4.8 reports · 11 | ||||
| AIME 2026 | 100% ↗matharena ⚠ | not reported | — | — |
| Humanity's Last Exam (no tools) | 49.8% ↗ | not reported | — | — |
| LMArena Elo | 1452.7 ↗ | not reported | — | — |
| BrowseComp | 84.3% ↗ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 56.1% ↗epoch | not reported | — | — |
| Humanity's Last Exam (with tools) | 57.9% ↗ | not reported | — | — |
| OSWorld-Verified | 83.4% ↗ | not reported | — | — |
| SWE-bench Multilingual | 84.4% ↗ | not reported | — | — |
| SWE-bench Multimodal | 38.4% ↗ | not reported | — | — |
| SWE-Bench Pro | 69.2% ↗ | not reported | — | — |
| Terminal-Bench 2.1 | 74.6% ↗ | not reported | — | — |
| Only GPT-4.1 reports · 4 | ||||
| MMLU | not reported | 90.2% ↗ | — | — |
| AIME 2024 | not reported | 48.1% ↗ | — | — |
| SWE-bench Verified (Epoch AI run) | not reported | 48.5% ↗epoch | — | — |
| Video-MME (long, no subtitles) | not reported | 72% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Opus 4.8 minus GPT-4.1 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Claude Opus 4.8 | GPT-4.1 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1.0M tokens | GPT-4.1 |
| Max output | 128K tokens | 33K tokens | Claude Opus 4.8 |
| Input price / 1M | $5 ↗ | $2 ↗ | GPT-4.1 |
| Output price / 1M | $25 ↗ | $8 ↗ | GPT-4.1 |
| Cached input / 1M | $0.5 ↗ | $0.5 ↗ | Tie |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $30 | $10 | GPT-4.1 |
| Modalities | text · vision | text · vision | Tie |
| Released | 2026-05-28 | 2025-04-14 | — |
| Cited benchmark scores | 17 | 10 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
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Which one wins on your data?
Public benchmarks are a starting point. Run Claude Opus 4.8 and GPT-4.1 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.