Comparison · OpenAI
GPT-5.4 vs GPT-5.4 Pro
Listed API prices of GPT-5.4 and GPT-5.4 Pro turned into the cost of the same three standard tasks. Output quality, speed and answer length are not compared.
Calculated impact cost per task and per month
For an L2 task (deep analysis over a 50,000-token document, 3 steps), GPT-5.4 costs $0.443 and GPT-5.4 Pro $5.31 at the prices listed in the United States on , so GPT-5.4 is 91.7 % less than GPT-5.4 Pro, counting visible output only, without cache discounts or hidden reasoning.
| Task | GPT-5.4, per task | GPT-5.4 Pro, per task | GPT-5.4, per month | GPT-5.4 Pro, per month | GPT-5.4 vs GPT-5.4 Pro, per task |
|---|---|---|---|---|---|
| L1Micro-task (classification or strict JSON extraction) | $0.0067per L1 task | $0.081per L1 task | $98.55per month | $1,182.60per month | −91.7 % |
| L2Deep analysis over a 50,000-token document | $0.443per L2 task | $5.31per L2 task | $6,460.50per month | $77,526.00per month | −91.7 % |
| L3Agentic coding loop, 15 steps | $3.42per L3 task | $41.09per L3 task | $49,986.75per month | $599,841.00per month | −91.7 % |
Calculated Per month: 20 tasks an hour around the clock, 730 hours.
Prices USD per 1M tokens
| Price | GPT-5.4 | GPT-5.4 Pro |
|---|---|---|
| Input, per 1M tokens | $2.50 | $30.00 |
| Output, per 1M tokens | $15.00 | $180.00 |
| Price from | OpenRouter · source page (data) Published | OpenRouter · source page (data) Published |
| Read | · the United States | · the United States |
| Context window | 1,050,000 tokens | 1,050,000 tokens |