Which is cheaper for input tokens: OpenAI: GPT-5 Pro or OpenAI: o1?
OpenAI: GPT-5 Pro is cheaper or equal on input token cost by $0.00 per 1M tokens.
Head-to-Head Pricing Benchmark
OpenAI: GPT-5 Pro vs OpenAI: o1
Side-by-side pricing and context window comparison for production model selection.
Input delta: $0.00Output delta: $60Monthly delta: $3,600
Default Recommendation (120M input + 60M output)
OpenAI: o1 is lower-cost for the default monthly workload scenario.
Adjust the workload in the calculator below to see a live recommendation for your usage.
| Metric | OpenAI: GPT-5 Pro | OpenAI: o1 |
|---|---|---|
| Developer | openai | openai |
| Context Window | 400,000 | 200,000 |
| Input Cost / 1M Tokens | $15.00 | $15.00 |
| Output Cost / 1M Tokens | $120.00 | $60.00 |
| Projected Monthly Cost | $9,000 | $5,400 |
| Vision | ✅ Yes | ✅ Yes |
| Tool Calling | ✅ Yes | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ✅ Yes | ❌ No |
| MMLU Score | N/A | 84.1 |
| GPQA | N/A | 74.7 |
Price History
OpenAI: GPT-5 Pro Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$15.00
Current Output / 1M
$120.00
Price History
OpenAI: o1 Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$15.00
Current Output / 1M
$60.00
Cost Calculator
Adjust your workload to see projected monthly costs.
01.0B
0500M
OpenAI: GPT-5 Pro
$9,000
per month
OpenAI: o1
$5,400
per month
Lower costLive Recommendation
OpenAI: o1 is lower-cost at 120M input + 60M output tokens/month.
OpenAI: o1 saves $3,600/mo at this workload
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FAQ
Common questions for OpenAI: GPT-5 Pro vs OpenAI: o1 pricing decisions.
Which is cheaper for output tokens: OpenAI: GPT-5 Pro or OpenAI: o1?
OpenAI: o1 is cheaper on output token cost by $60 per 1M tokens.
What is the projected monthly cost difference between OpenAI: GPT-5 Pro and OpenAI: o1?
$3,600 difference for the default scenario (120M input + 60M output tokens/month).
How should I choose between OpenAI: GPT-5 Pro and OpenAI: o1?
Use this page to compare context window and token pricing, then open each model page to evaluate additional alternatives and monthly workload fit.