Compare / head-to-head
Claude Opus 4.7vsClaude Opus 4.8
Claude Opus 4.8 leads 14 of 16 shared benchmarks. Both list the same combined token price. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
2 – 14
Claude Opus 4.8 leads
Cheaper per token
Tie
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
100%
Anthropic
Claude Opus 4.7
Anthropic · released 2026-04-16
textvision
Claude Opus 4.8
Anthropic · released 2026-05-28
textvision
Quality
Benchmark matrix
16 shared · 1 only Claude Opus 4.7 · 0 only Claude Opus 4.8| Benchmark | Claude Opus 4.7 | Claude Opus 4.8 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 16 | ||||
| SWE-bench Verified | 87.6% ↗ | 88.6% ↗ | -1 pt | Claude Opus 4.8 |
| GPQA Diamond | 94.2% ↗ | 93.6% ↗ | +0.6 pt | Claude Opus 4.7 |
| AIME 2026 | 95.8% ↗matharena ⚠ | 100% ↗matharena ⚠ | -4.2 pt | Claude Opus 4.8 |
| Humanity's Last Exam (no tools) | 46.9% ↗ | 49.8% ↗ | -2.9 pt | Claude Opus 4.8 |
| LMArena Elo | 1483.4 ↗ | 1452.7 ↗ | +30.7 | Claude Opus 4.7 |
| BrowseComp | 79.8% ↗ | 84.3% ↗ | -4.5 pt | Claude Opus 4.8 |
| FrontierMath Tier 4 v2 (Epoch AI run) | 31.7% ↗epoch | 56.1% ↗epoch | -24.4 pt | Claude Opus 4.8 |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 70.2% ↗epoch | 80% ↗epoch | -9.8 pt | Claude Opus 4.8 |
| Humanity's Last Exam (with tools) | 54.7% ↗ | 57.9% ↗ | -3.2 pt | Claude Opus 4.8 |
| OSWorld-Verified | 82.8% ↗ | 83.4% ↗ | -0.6 pt | Claude Opus 4.8 |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 97.8% ↗epoch | 98.3% ↗epoch | -0.5 pt | Claude Opus 4.8 |
| SimpleQA Verified | 51.7% ↗epoch | 53% ↗epoch | -1.3 pt | Claude Opus 4.8 |
| SWE-bench Multilingual | 80.5% ↗ | 84.4% ↗ | -3.9 pt | Claude Opus 4.8 |
| SWE-bench Multimodal | 34.5% ↗ | 38.4% ↗ | -3.9 pt | Claude Opus 4.8 |
| SWE-Bench Pro | 64.3% ↗ | 69.2% ↗ | -4.9 pt | Claude Opus 4.8 |
| Terminal-Bench 2.1 | 66.1% ↗ | 74.6% ↗ | -8.5 pt | Claude Opus 4.8 |
| Only Claude Opus 4.7 reports · 1 | ||||
| SWE-bench Verified (Epoch AI run) | 83.5% ↗epoch | not reported | — | — |
| Only Claude Opus 4.8 reports · 0 | ||||
| Claude Opus 4.8 reports nothing Claude Opus 4.7 does not. | ||||
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 4.7 minus Claude Opus 4.8 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 4.7 | Claude Opus 4.8 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | 128K tokens | 128K tokens | Tie |
| Input price / 1M | $5 ↗ | $5 ↗ | Tie |
| Output price / 1M | $25 ↗ | $25 ↗ | Tie |
| Cached input / 1M | $0.5 ↗ | $0.5 ↗ | Tie |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $30 | $30 | Tie |
| Modalities | text · vision | text · vision | Tie |
| Released | 2026-04-16 | 2026-05-28 | — |
| Cited benchmark scores | 18 | 17 | — |
Reliability
Anthropic status
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Which one wins on your data?
Public benchmarks are a starting point. Run Claude Opus 4.7 and Claude Opus 4.8 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.