Claude Opus 5 vs Grok 4.7: Specs & Benchmark Comparison
Claude Opus 5 is developed by Anthropic, while Grok 4.7 comes from xAI. Claude Opus 5 was released in July 2026, and Grok 4.7 followed 2 months later in September 2026.
The two models share 3 published benchmarks. Claude Opus 5 leads on 2 of them, Grok 4.7 on 1. The widest gaps are on Terminal-Bench 4.0, where Claude Opus 5 scores 51.8% against 38.0%; HealthBench Professional, where Claude Opus 5 scores 59.8% against 56.7%. Averaged across everything we track, Claude Opus 5 sits at 55.0% and Grok 4.7 at 56.5%.
Grok 4.7 is the cheaper API at $2 per million input tokens and $6 per million output tokens, roughly 3 times cheaper than Claude Opus 5 at $5 and $25. Claude Opus 5 takes the larger context window at 1M tokens, compared with 500K for Grok 4.7. Both accept text and images as input.
| Characteristic | Claude Opus 5 | Grok 4.7 |
|---|---|---|
| Company | Anthropic | xAI |
| Release Date | July 24, 2026 | September 21, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 500K |
| Context (output) | 128K | — |
| Input Price / 1M | $5.00 | $2.00 |
| Output Price / 1M | $25.00 | $6.00 |
| Average Score | 55.0% | 56.5% |
| Benchmarks | ||
| Terminal-Bench 4.0 | 51.8% | 38.0% |
| HealthBench Professional | 59.8% | 56.7% |
| DeepSWE 1.1 | 68.8% | 71.0% |
Visual Benchmark Comparison
Verdict
Grok 4.7 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Claude Opus 5 — 0.5, Grok 4.7 — 0.6.
Grok 4.7 is 3.8x cheaper: input $2.00/1M vs $5.00/1M tokens.
Claude Opus 5 supports a larger context: 1M vs 500K tokens.
Grok 4.7 is newer: released 9/21/2026 vs 7/24/2026.
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Frequently Asked Questions
Which is better for coding — Claude Opus 5 or Grok 4.7?
Which model is cheaper — Claude Opus 5 or Grok 4.7?
Which has a larger context window — Claude Opus 5 or Grok 4.7?
The Claude Opus 5 and Grok 4.7 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 5 or Grok 4.7 page. See also the complete list of AI model comparisons.