OpenAI
63 models indexed
OpenAI
63models
Avg: $6.81 / 1M input.57 models with 128K+ context. 6 modality types.
View OpenAI collection →OpenAI vs Stepfun
Comparing model portfolios, pricing, and capabilities across 63+ OpenAI models and 2+ Stepfun models.
At a glance
Stepfun
2 models indexed
Stepfun
2models
Avg: $0.05 / 1M input.2 models with 128K+ context. 1 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-oss-20b | 131.072K | $0.0300 | text->text |
| OpenAI: gpt-oss-120b | 131.072K | $0.0390 | 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 |
Frequently asked questions
Which provider has more models — OpenAI or Stepfun?
OpenAI has 63 models. Stepfun has 2 models.
Which is cheaper on average — OpenAI or Stepfun?
OpenAI average: $6.81/1M. Stepfun average: $0.05/1M.
Which provider has more long-context (128K+) models?
OpenAI: 57 models. Stepfun: 2 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.