Calculator › Compare › DeepSeek V4 Pro vs GPT-6.1 Sol

✓ Prices checked against official pricing pages on October 19, 2026

DeepSeek V4 Pro vs GPT-6.1 Sol: cost comparison

For a typical chatbot reply, DeepSeek V4 Pro is 2.0× cheaper than GPT-6.1 Sol ($3.56 vs $7.00 per 1,000 replies).

DeepSeek V4 Pro DeepSeek

$1.32input /1M
$0.044cached /1M
$3.96output /1M
  • Off-peak (outside 01:00–04:00 and 06:00–10:00 UTC on weekdays): 50% off, i.e. $0.66 input / $1.98 output.

GPT-6.1 Sol OpenAI

$2.00input /1M
$0.10cached /1M
$10.00output /1M
  • Prompts over 272,000 tokens are billed at $4.00 input / $0.20 cached / $15.00 output per 1M tokens for the whole request.
  • Batch processing: 50% off input and output ($1.00 / $5.00 per 1M tokens).

Cost per 1,000 requests

WorkloadDeepSeek V4 ProGPT-6.1 SolDifference
Chatbot reply1,500 input / 400 output tokens$3.56$7.002.0×
RAG answer8,000 input / 600 output tokens$12.94$22.001.7×
Agent step30,000 input (80% cached) / 800 output$12.14$22.401.8×
Summarize a long report60,000 input / 1,200 output tokens$83.95$132.001.6×
Classify a ticket400 input / 10 output tokens$0.568$0.901.6×

Standard pricing, no batch discount. Price is only one factor; quality, speed, context length and rate limits matter too, so test both on your own prompts.

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