Compare / head-to-head
Claude Opus 4.7vsGrok 4.5
Claude Opus 4.7 leads 5 of 6 shared benchmarks. Grok 4.5 is 3.8x cheaper per token. Claude Opus 4.7 has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
5 – 0
Claude Opus 4.7 leads · 1 tied
Cheaper per token
Grok 4.5
3.8x cheaper, input + output
Larger context
Claude Opus 4.7
1M tokens
Provider uptime (30d)
100% · —
Anthropic · xAI
Claude Opus 4.7
Anthropic · released 2026-04-16
textvision
Quality
Benchmark matrix
6 shared · 11 only Claude Opus 4.7 · 0 only Grok 4.5| Benchmark | Claude Opus 4.7 | Grok 4.5 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 6 | ||||
| GPQA Diamond | 94.2% ↗ | 93.4% ↗epoch | +0.8 pt | Claude Opus 4.7 |
| LMArena Elo | 1483.4 ↗ | 1450.1 ↗ | +33.3 | Claude Opus 4.7 |
| FrontierMath Tier 4 v2 (Epoch AI run) | 31.7% ↗epoch | 24.4% ↗epoch | +7.3 pt | Claude Opus 4.7 |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 70.2% ↗epoch | 57.2% ↗epoch | +13 pt | Claude Opus 4.7 |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 97.8% ↗epoch | 97.8% ↗epoch | 0 | Tie |
| SimpleQA Verified | 51.7% ↗epoch | 48.3% ↗epoch | +3.4 pt | Claude Opus 4.7 |
| Only Claude Opus 4.7 reports · 11 | ||||
| SWE-bench Verified | 87.6% ↗ | not reported | — | — |
| AIME 2026 | 95.8% ↗matharena ⚠ | not reported | — | — |
| Humanity's Last Exam (no tools) | 46.9% ↗ | not reported | — | — |
| BrowseComp | 79.8% ↗ | not reported | — | — |
| Humanity's Last Exam (with tools) | 54.7% ↗ | not reported | — | — |
| OSWorld-Verified | 82.8% ↗ | not reported | — | — |
| SWE-bench Multilingual | 80.5% ↗ | not reported | — | — |
| SWE-bench Multimodal | 34.5% ↗ | not reported | — | — |
| SWE-Bench Pro | 64.3% ↗ | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 83.5% ↗epoch | not reported | — | — |
| Terminal-Bench 2.1 | 66.1% ↗ | not reported | — | — |
| Only Grok 4.5 reports · 0 | ||||
| Grok 4.5 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 Grok 4.5 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 | Grok 4.5 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 500K tokens | Claude Opus 4.7 |
| Max output | 128K tokens | — | — |
| Input price / 1M | $5 ↗ | $2 ↗ | Grok 4.5 |
| Output price / 1M | $25 ↗ | $6 ↗ | Grok 4.5 |
| Cached input / 1M | $0.5 ↗ | $0.3 ↗ | Grok 4.5 |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $30 | $8 | Grok 4.5 |
| Modalities | text · vision | text · vision | Tie |
| Released | 2026-04-16 | 2026-07-08 | — |
| Cited benchmark scores | 18 | 6 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Claude Opus 4.7 vs …
Models sharing the most benchmarksMore matchups
Grok 4.5 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Claude Opus 4.7 and Grok 4.5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.