LLM Comparison
Claude Opus 5 vs Grok 4.7
Side-by-side specs, pricing & capabilities
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2/6 models| Organization | ||
| OpenTools Score | 91 6.1 | |
| Family | Claude Opus | Grok |
| Status | Current | Current |
| Release Date | Jul 2026 | Sep 2026 |
| Context Window | 1.0M tokens | 500K tokens |
| Input Price | $5.00/M tokens | $2.00/M tokens |
| Output Price | $25.00/M tokens | $6.00/M tokens |
| Pricing Notes | Claude Opus 5 is priced at $5 per million input tokens and $25 per million output tokens; fast mode is priced separately at Fable-level rates. | SpaceXAI xAI API global standard tier, USD per million tokens. Below 200,000 prompt tokens: $2 input, $0.50 cached input, $6 output. Above 200,000 prompt tokens: $4 input, $1 cached input, $12 output. Fast serving and regional endpoints have separate conditions. The provider explicitly states there is no text output limit; no numeric maxOutputTokens is asserted. |
| Capabilities | textvisionreasoningcodingtool-useagentslong-context | codingreasoningvisiontool-usestructured-outputlong-contextcontext-caching |
| Max Output | 128K tokens | — |
| API Identifier | claude-opus-5 | grok-4.7 |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.3.2 | — | 42.2 indexartificial-analysis |
| Artificial Analysis Intelligence Index v4.3 | 50.7 indexartificial-analysis | — |
| Artificial Analysis Intelligence Index v4.3 | 51 indexhttps://artificialanalysis.ai/models/claude-opus-5 | — |
| GPQA Diamond | 93.2%artificial-analysis | — |
| SciCode | 56.4%artificial-analysis | — |
| Terminal-Bench 2.1 | 89.1%artificial-analysis | — |
| View Claude Opus 5 | View Grok 4.7 | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Grok 4.7Cheapest | $2.00 | $3.00 | $5.00 | — |
| Claude Opus 5 | $5.00 | $12.50 | $17.50 | +250% |
Anthropic
Claude Opus 5
Claude Opus 5 is Anthropic's Opus-class model for complex agentic coding and enterprise work. Official Claude docs list the claude-opus-5 API ID, 1M token context window, 128k max output, adaptive thinking, and $5 input / $25 output pricing per million tokens.
xAI
Grok 4.7
Grok 4.7 is SpaceXAI's proprietary coding and knowledge-work model, available as grok-4.7 on the xAI API. It accepts text and images, returns text, and offers a 500,000-token context window. SpaceXAI's release notes specify no text output limit. Standard global API pricing starts at $2 input and $6 output per million tokens, with separate cached-input and long-context rates.
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