Claude Opus 4.8 VS Grok 3
Anthropic · xAI · AI Models · Updated Jun 1, 2026
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Grok 3xAI · Grok 3 is 66.7% cheaper
WINNERSide-by-Side Breakdown
| Feature | Claude Opus 4.8 | Grok 3 | Winner |
|---|---|---|---|
| Input Price | $5.00/1M tkns | $3.00/1M tkns | ✓ Grok 3 |
| Output Price | $25.00/1M tkns | $15.00/1M tkns | ✓ Grok 3 |
| Provider | Anthropic | xAI | — |
| Category | ai-model | ai-model | — |
| context window | 1000000 | 131072 | |
| vision | true | true | |
| modalities | text+vision | — | |
| Overall Winner | 🏆 | Grok 3 |
Claude Opus 4.8 vs Grok 3: Quick Summary
Grok 3 is the more affordable choice. Claude Opus 4.8 costs $5.00/1M tkns vs Grok 3 at $3.00/1M tkns (Input Price). Grok 3 is 66.7% cheaper. Pricing verified as of Jun 1, 2026 — always confirm on the provider's official pricing page before committing.