Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....
Late GLM-4 workhorse for coding agents, reasoning, and structured tasks
Flagship Qwen3 model for coding agents, complex reasoning, and tool use
Mistral's coding-agent model for repository work, terminal tasks, and software fixes
Fast Mistral production model for chat, extraction, and cost-sensitive agents
Mistral's largest general model for enterprise agents, coding, and multilingual reasoning
Smaller Qwen coder for efficient local agents and repo-level fixes
The 2024-08-06 version of GPT-4o offers improved performance in structured outputs, with the ability to supply a JSON schema in the respone_format. Read more [here](https://openai.com/index/introducing-structured-outputs-in-the-api/). GPT-4o ("o" for "omni") is...
The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability. It’s also better at working with uploaded...
Mistral model for multilingual chat, reasoning, and tool-assisted workflows
Popular open Llama workhorse for multilingual chat, coding, and self-hosting
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| StepFun: Step 3.7 Flashstepfun/step-3.7-flash | 35.6 | 256K | $0.2 | $1.15 | 2026-05-29 | |||
| StepFun: Step 3.5 Flashstepfun/step-3.5-flash | 27.3 | 262.144K | $0.1 | $0.3 | 2026-01-29 | |||
| GLM-4.6zhipuai/glm-4.6 | 25.0 | 204.8K | $0.6 | $2.2 | 2025-09-30 | |||
| Qwen3 Maxalibaba/qwen3-max | 20.5 | 262.144K | $1.2 | $6 | 2025-09-23 | |||
| Devstral 2mistral/devstral-2512 | 18.9 | 262.144K | $0.4 | $2 | 2025-12-09 | |||
| Mistral Small 4mistral/mistral-small-2603 | 17.4 | 256K | $0.15 | $0.6 | 2026-03-16 | |||
| Mistral Large 3mistral/mistral-large-2512 | 15.9 | 262.144K | $0.5 | $1.5 | 2024-11-01 | |||
| Qwen3-Coder 30B-A3B Instructalibaba/qwen3-coder-30b-a3b-instruct | 15.2 | 262.144K | $0.45 | $2.25 | 2025-04 | |||
| OpenAI: GPT-4o (2024-08-06)openai/gpt-4o-2024-08-06 | 8.3 | 128K | $2.5 | $10 | 2024-08-06 | |||
| OpenAI: GPT-4o (2024-11-20)openai/gpt-4o-2024-11-20 | 8.3 | 128K | $2.5 | $10 | 2024-11-20 | |||
| Mistral Medium 3mistral/mistral-medium-2505 | 3.8 | 131.072K | $0.4 | $2 | 2025-05-07 | |||
| Llama-3.3-70B-Instructmeta/llama-3.3-70b-instruct | 3.0 | 128K | $0.1 | $0.32 | 2024-12-06 |