xAI Grok
Grok 4.7
$3.00 / 1M tokens
cheapest at xAI · $2.00 in · $6.00 out
Wins 2 of 4
Head to head · prices updated Oct 31, 2026
Grok 4.7 vs Claude Opus 5.5
Claude Opus 5.5 costs 2.7× as much as Grok 4.7 at their cheapest providers (blended 3 input : 1 output tokens).
Anthropic Claude
Claude Opus 5.5
$8.00 / 1M tokens
cheapest at Anthropic · $4.00 in · $20.00 out
Wins 2 of 4
- Lower priceGrok 4.7
- Higher accuracy (GPQA)Grok 4.7
- Longer contextClaude Opus 5.5
- More providersClaude Opus 5.5
Verdict
Grok 4.7 is the better deal on price
Claude Opus 5.5 costs 2.7× as much as Grok 4.7 at their cheapest providers (blended 3 input : 1 output tokens).
Grok 4.7 scores higher on GPQA Diamond: 92.7% (xhigh reasoning) vs 90.6% (max reasoning).
Grok 4.7 wins on both price and accuracy here.
Claude Opus 5.5 accepts longer prompts (1000K vs 524K tokens).
Your monthly bill
What would each cost you?
Grok 4.7 saves you $48.00 a month ($576.00 a year) for this workload.
Side by side
| Grok 4.7 | Claude Opus 5.5 | |
|---|---|---|
| Cheapest blended price / 1M | $3.00 | $8.00 |
| Input / output per 1M | $2.00 / $6.00 | $4.00 / $20.00 |
| Accuracy (GPQA Diamond) | 92.7% (xhigh reasoning) | 90.6% (max reasoning) |
| Max context | 524K | 1M |
| Providers we track | 3 | 4 |
Standard list prices at each model's cheapest provider we track; blended = 3 input : 1 output tokens. GPQA Diamond from Epoch AI (CC BY 4.0), best measured reasoning setting, named next to each score. Methodology.
Where to buy each one
Questions people ask
Is Grok 4.7 cheaper than Claude Opus 5.5?
Claude Opus 5.5 costs 2.7× as much as Grok 4.7 at their cheapest providers (blended 3 input : 1 output tokens).
Which is more accurate, Grok 4.7 or Claude Opus 5.5?
On GPQA Diamond (graduate-level science questions, measured by Epoch AI) Grok 4.7 scores 92.7% (xhigh reasoning) and Claude Opus 5.5 90.6% (max reasoning). One benchmark is not the whole picture; test both on your own prompts.
How much does Grok 4.7 cost per 1M tokens?
From $2.00 input and $6.00 output per 1M tokens at xAI, the cheapest of 3 providers we track.
How much does Claude Opus 5.5 cost per 1M tokens?
From $4.00 input and $20.00 output per 1M tokens at Anthropic, the cheapest of 4 providers we track.
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