GPT vs Claude Cost Calculator
Compare the cost of any GPT and Claude model side by side.
Results update automatically as you type.
Result
GPT-5 is cheaper by $1,125.00/month
64.3% difference for this workload
| Model | Provider | Per request | Monthly | Context |
|---|---|---|---|---|
| GPT-5 | openai | $0.00625 | $625.00 | 128,000 |
| Claude Opus 4.8 | anthropic | $0.0175 | $1,750.00 | 1,000,000 |
Pick a GPT model and a Claude model, enter your workload, and see which is cheaper per request and per month — with the exact dollar difference. Change either model to compare any two models.
How this is calculated
This calculator uses the comparisons formulas described in our methodology. All figures are estimates for planning; verify current pricing with each provider before relying on them.
Worked example (defaults)
With the default inputs above, here is the result:
Result
GPT-5 is cheaper by $1,125.00/month
64.3% difference for this workload
| Model | Provider | Per request | Monthly | Context |
|---|---|---|---|---|
| GPT-5 | openai | $0.00625 | $625.00 | 128,000 |
| Claude Opus 4.8 | anthropic | $0.0175 | $1,750.00 | 1,000,000 |
Frequently asked questions
Is GPT or Claude cheaper?+
It depends on the exact models and your input/output mix. This calculator shows the real per-request and monthly difference for your workload.
Does cheaper mean better?+
No — compare quality on your own tasks too. Price is only one factor in model choice.