StepFun flash lane for quick multimodal reasoning and coding assistance
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Earlier Kimi frontier model for long-context agents, coding, and multimodal work
Fast Grok model for responsive chat, reasoning, and tool-assisted work
MiMo flash model for fast multimodal assistance and agent workflows
Reliable GPT generation for broad coding, writing, and tool-assisted product work
Thinking Kimi model for slower research passes, planning, and hard technical questions
Flagship Qwen3 model for coding agents, complex reasoning, and tool use
Fast Grok model for responsive chat, reasoning, and tool-assisted work
Hybrid-reasoning DeepSeek model with thinking and non-thinking modes
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
Fast Gemini workhorse for multimodal apps where latency and price matter
Google's proven reasoning model for coding, math, and multimodal analysis
Dense open Qwen model for self-hosted chat, reasoning, and coding
Sparse MoE Qwen model with 3B active parameters for efficient chat and reasoning
Classic open reasoning model for transparent math, coding, and deliberate problem solving
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| Step 3.5 Flashstepfun/step-3.5-flash | 256K | $0.105 | $0.314 | 2026-01-29 | |||
| Kimi K2.5moonshotai/kimi-k2.5 | 262.144K | $0.375 | $2 | 2026-01-27 | |||
| X-Ai/Grok-4-Fast-Reasoningxai/grok-4-fast-reasoning | 2M | $0.2 | $0.5 | 2025-12-18 | |||
| MiMo-V2-Flashxiaomi/mimo-v2-flash | 262.144K | — | — | 2025-12-16 | |||
| GPT-5.2openai/gpt-5.2 | 400K | $1.75 | $14 | 2025-12-11 | |||
| Kimi K2 Thinkingmoonshotai/kimi-k2-thinking | 262.144K | $0.4 | $2.5 | 2025-11-06 | |||
| Qwen3 Maxalibaba/qwen3-max | 262.144K | $1.2 | $6 | 2025-09-23 | |||
| x-AI/Grok-Code-Fast 1xai/grok-code-fast-1 | 256K | $0.2 | $1.5 | 2025-09-02 | |||
| DeepSeek-V3.1deepseek/deepseek-v3.1 | 131.072K | $0.19 | $0.71 | 2025-08-21 | |||
| GPT-5openai/gpt-5 | 400K | $1.25 | $10 | 2025-08-07 | |||
| Gemini 2.5 Flashgoogle/gemini-2.5-flash | 1.04858M | $0.3 | $2.5 | 2025-06-17 | |||
| Gemini 2.5 Progoogle/gemini-2.5-pro | 1.04858M | $1.25 | $10 | 2025-06-17 | |||
| Qwen3 32Balibaba/qwen3-32b | 131.072K | $0.7 | $2.8 | 2025-04-28 | |||
| Qwen3 30B A3Balibaba/qwen3-30b-a3b | 131.072K | $0.08 | $0.29 | 2025-04-28 | |||
| DeepSeek-R1deepseek/deepseek-r1 | 128K | $0.58 | $2.319 | 2025-01-20 |