Claude Opus 4.7 vs GPT-5.6 Sol

Anthropic against OpenAI, costed on the same three workloads. Claude Opus 4.7 is cheaper on all three workloads.

Monthly bill, side by side

WorkloadClaude Opus 4.7GPT-5.6 SolDifference
Support chatbot
2,500 six-turn conversations a day
$20,138 $22,163 $2,025 (+10%)
Document summariser
1,000 single-shot summaries a day
$2,430 $2,550 $120 (+5%)
Coding agent
200 twelve-turn sessions a day
$14,040 $14,940 $900 (+6%)

No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.

The rate cards

Claude Opus 4.7GPT-5.6 Sol
Input, per 1M tokens$5$5
Output, per 1M tokens$25$30
Cached input$0.5$0.5
Context window1M1.05M
Maximum output128K128K
Reasoning modelyesyes
Visionyesyes

Run this comparison on your own numbers

Full detail: Claude Opus 4.7 pricing · GPT-5.6 Sol pricing