OpenAI
114 models indexed
OpenAI
114models
Avg: $5.95 / 1M input.107 models with 128K+ context. 6 modality types.
View OpenAI collection →OpenAI vs Stepfun
Comparing model portfolios, pricing, and capabilities across 114+ OpenAI models and 3+ Stepfun models.
At a glance
Stepfun
3 models indexed
Stepfun
3models
Avg: $0.10 / 1M input.3 models with 128K+ context. 2 modality types.
View Stepfun collection →Top 5 cheapest — OpenAI
| Model | Context | Input / 1M | Modality |
|---|---|---|---|
| OpenAI: gpt-oss-120b (free) | 131.072K | $0.0000 | text->text |
| OpenAI: gpt-oss-20b (free) | 131.072K | $0.0000 | text->text |
| OpenAI: GPT-5 Nano (batch) | 400K | $0.0250 | text+image+file->text |
| OpenAI: gpt-oss-20b | 131.072K | $0.0300 | text->text |
| OpenAI: gpt-oss-120b (exacto) | 131.072K | $0.0390 | text->text |
Top 5 cheapest — Stepfun
| Model | Context | Input / 1M | Modality |
|---|---|---|---|
| StepFun: Step 3.5 Flash (free) | 256K | $0.0000 | text->text |
| StepFun: Step 3.5 Flash | 262.144K | $0.1000 | text->text |
| StepFun: Step 3.7 Flash | 262.144K | $0.2000 | text+image+video->text |
Frequently asked questions
Which provider has more models — OpenAI or Stepfun?
OpenAI has 114 models. Stepfun has 3 models.
Which is cheaper on average — OpenAI or Stepfun?
OpenAI average: $5.95/1M. Stepfun average: $0.10/1M.
Which provider has more long-context (128K+) models?
OpenAI: 107 models. Stepfun: 3 models.
How do I compare specific models between OpenAI and Stepfun?
Use the OpenAI and Stepfun collection pages to browse individual models, then open a pairwise comparison from any model page.