Grok 4.7 vs GPT-6.1 Sol: API pricing and agent cost
| Model | Provider | Input $/1M | Output $/1M | Cached $/1M | Per task | Per month |
|---|---|---|---|---|---|---|
| Grok 4.7 | xAI | $2.0 | $6.0 | $0.5 | $0.0540 | $162.00 |
| GPT-6.1 Sol | OpenAI | $2.0 | $10.0 | $0.1 | $0.0700 | $210.00 |
For an agent making 5 tool calls per task (3,000 input and 800 output tokens per call) and running 100 tasks a day, Grok 4.7 is the cheaper option at $162.00 a month, versus $210.00 for GPT-6.1 Sol (1.3× the cost).
This compares list prices only, not quality. Under 200K context; $4/$12 above. Prompts with more than 272K input tokens are priced at 2x input and cache rates and 1.5x output for the full request (OpenAI model page). Derived long-context rate: $4 in / $0.20 cached / $15 out.
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