GPT-4o vs Step 3.7 Flash
Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Step 3.7 Flash is cheaper by about $676.00/month.
| GPT-4o | Step 3.7 Flash | |
|---|---|---|
| Provider | openai | stepfun |
| Input / 1M | $2.50 | $0.1850 |
| Output / 1M | $10.00 | $1.11 |
| Per request (sample) | $0.00750 | $0.000740 |
| Monthly (sample) | $750.00 | $74.00 |
| Context window | 128,000 | 256,000 |
| Vision | Yes | No |
| Reasoning | No | Yes |
| Arena · Overall | 1355 | — |
| Arena · Coding | 1350 | — |
| Arena · Math & reasoning | 1340 | — |
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
GPT-4o and Step 3.7 Flash are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.
Used unless you set active users below.
Results update automatically as you type.
| Step 3.7 Flash | StepFun | $0.000740 | $74.00 | $888.00 | 256,000 |
| GPT-4o | OpenAI | $0.00750 | $750.00 | $9,000.00 | 128,000 |
FAQ
Which is cheaper, GPT-4o or Step 3.7 Flash?
For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Step 3.7 Flash is cheaper, costing about $74.00/month versus $750.00/month.
What is the context window of GPT-4o and Step 3.7 Flash?
GPT-4o supports 128,000 tokens, while Step 3.7 Flash supports 256,000 tokens.
Estimates for planning only. Verify current pricing with each provider.