xAI Grok
Grok 4.7
$3.00 / 1M tokens
cheapest at xAI · $2.00 in · $6.00 out
Wins 1 of 4
Head to head · prices updated Oct 31, 2026
Grok 4.7 is 25% cheaper than GPT-6.1 Sol at their cheapest providers (blended 3 input : 1 output tokens).
xAI Grok
$3.00 / 1M tokens
cheapest at xAI · $2.00 in · $6.00 out
Wins 1 of 4
OpenAI
$4.00 / 1M tokens
cheapest at OpenAI · $2.00 in · $10.00 out
Wins 2 of 4
Verdict
Grok 4.7 is 25% cheaper than GPT-6.1 Sol at their cheapest providers (blended 3 input : 1 output tokens).
GPT-6.1 Sol scores higher on GPQA Diamond: 95.4% (max reasoning) vs 92.7% (xhigh reasoning).
So the choice is a trade-off: GPT-6.1 Sol for the hardest reasoning, Grok 4.7 when cost matters more than the last few points of accuracy.
GPT-6.1 Sol accepts longer prompts (1000K vs 524K tokens).
Your monthly bill
Grok 4.7 saves you $8.00 a month ($96.00 a year) for this workload.
| Grok 4.7 | GPT-6.1 Sol | |
|---|---|---|
| Cheapest blended price / 1M | $3.00 | $4.00 |
| Input / output per 1M | $2.00 / $6.00 | $2.00 / $10.00 |
| Accuracy (GPQA Diamond) | 92.7% (xhigh reasoning) | 95.4% (max reasoning) |
| Max context | 524K | 1M |
| Providers we track | 3 | 3 |
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.
Grok 4.7 is 25% cheaper than GPT-6.1 Sol at their cheapest providers (blended 3 input : 1 output tokens).
On GPQA Diamond (graduate-level science questions, measured by Epoch AI) Grok 4.7 scores 92.7% (xhigh reasoning) and GPT-6.1 Sol 95.4% (max reasoning). One benchmark is not the whole picture; test both on your own prompts.
From $2.00 input and $6.00 output per 1M tokens at xAI, the cheapest of 3 providers we track.
From $2.00 input and $10.00 output per 1M tokens at OpenAI, the cheapest of 3 providers we track.
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