GPT-6.1 Sol vs Grok 4.7

API pricing, benchmark indices and specs — updated 19 October 2026.

openai · A · API-only
Input / 1M
$2.00
Output / 1M
$10.00
AA index
51.8
proprietary · 1.0M context
x-ai · B · API-only
Input / 1M
$2.00
Output / 1M
$6.00
AA index
46.4
proprietary · 500K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification GPT-6.1 Sol Grok 4.7
Deployment API-only (closed weights) API-only (closed weights)
Parameters n/a — API-only n/a — API-only
Architecture n/a — API-only n/a — API-only
Context length 1,050,000 500,000
Licence Proprietary Proprietary
Commercial use Per API terms Per API terms
Languages n/a — API-only n/a — API-only
Downloads 30d n/a — API-only n/a — API-only
Downloads all time n/a — API-only n/a — API-only
Quantizations on the Hub n/a — API-only n/a — API-only
Gated n/a — API-only n/a — API-only
First seen on the Hub n/a — API-only n/a — API-only
API input price / 1M tokens $2.00 $2.00
API output price / 1M tokens $10.00 $6.00
Est. cost per 1M input + 1M output tokens $12.00 $8.00
Cached input / 1M tokens $0.10 $0.50
AA Intelligence Index 51.8 46.4
AA Coding Index — —
AA Agentic Index — —
Max output tokens 128,000 450,000
API providers 3 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

GPT-6.1 Sol $12.00
Grok 4.7 $8.00

Grok 4.7 is 1.5× cheaper at list price.

Adjacent comparisons