gpt-5-mini vs gpt-5.2

OpenAI against OpenAI, priced on the same four workloads with price book 2026-10-22.

On real workloads

Workloadgpt-5-mini per callgpt-5.2 per callMonthly difference
Chat reply
1,500 input and 400 output tokens, 100,000 calls a month
$0.00118$0.00822 $705.00
RAG answer, cached context
2,000 fresh + 4,000 cached input, 500 output, 100,000 calls a month
$0.0016$0.01 $960.00
Agent step
4,000 fresh + 8,000 cached input, 800 output, 250,000 calls a month
$0.0028$0.02 $4,200.00
Batch summary
3,000 input and 300 output tokens via the Batch API, 1,000,000 calls a month
$0.000675$0.00473 $4,050.00

Monthly difference is gpt-5.2 minus gpt-5-mini. Batch rows use each provider's Batch API rates where published. Price both on your own workload.

Rates

ModelInputOutputCache readCache writeContext
openai/gpt-5-mini$0.25$2.00$0.025—272K
openai/gpt-5.2$1.75$14.00$0.175—272K

Price is one input. Before switching, run your own prompts through both and compare quality; then veqen diff prices the change at your production volume.