o3 vs o4-mini
Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, o4-mini is cheaper by about $270.00/month.
| o3 | o4-mini | |
|---|---|---|
| Provider | openai | openai |
| Input / 1M | $2.00 | $1.10 |
| Output / 1M | $8.00 | $4.40 |
| Per request (sample) | $0.00600 | $0.00330 |
| Monthly (sample) | $600.00 | $330.00 |
| Context window | 200,000 | 200,000 |
| Vision | Yes | Yes |
| Reasoning | Yes | Yes |
| Arena · Overall | 1422 | 1382 |
| Arena · Coding | 1428 | 1385 |
| Arena · Math & reasoning | 1435 | 1400 |
| Arena · Agentic / tool use | 1410 | 1372 |
Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.
Compare on your own workload
o3 and o4-mini are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.
FAQ
Which is cheaper, o3 or o4-mini?
For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, o4-mini is cheaper, costing about $330.00/month versus $600.00/month.
What is the context window of o3 and o4-mini?
o3 supports 200,000 tokens, while o4-mini supports 200,000 tokens.
Estimates for planning only. Verify current pricing with each provider.