StepFun's next-generation flagship base model for coding and professional knowledge work, with native text, image, and video input and a 1M-token context window
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work
Efficient model for low-latency assistance, extraction, and routine automation
Experimental multimodal DeepSeek V4 Flash model for image understanding, coding, and agentic work
Open MoE flagship with million-token context for coding and long agent runs
Coding-focused Kimi model, stronger on long-horizon repo work with less overthinking
Multimodal MoE reasoning model (276B total, 12B active) for text, image, and audio
Multimodal MoE reasoning model (975B total, 41B active) for text, image, and audio
DeepSeek V4.1 Flash model for reasoning and agentic coding
Fast DeepSeek V4 lane for economical reasoning, coding, and long-context work
Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
Newer StepFun flash model for faster agents, coding, and multimodal prompts
StepFun flash lane for quick multimodal reasoning and coding assistance
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| Step 5 Previewstepfun/step-5-preview | 43.7 | 1M | $1.046 | $2.989 | 2026-09-16 | |||
| Kimi K3moonshotai/kimi-k3 | 43.6 | 1.04858M | $3 | $15 | 2026-07-16 | |||
| Ling 3.1 Flashinclusionai/ling-3.1-flash | 41.1 | 262.144K | $0.075 | $0.22 | 2026-09-29 | |||
| DeepSeek V4 Flash Vision Expdeepseek/deepseek-v4-flash-vision-exp | 34.8 | 1M | $0.15 | $0.6 | 2026-08-21 | |||
| DeepSeek V4 Prodeepseek/deepseek-v4-pro | 30.4 | 1M | $0.66 | $1.98 | 2026-04-24 | |||
| Kimi K2.7 Codemoonshotai/kimi-k2.7-code | 25.8 | 262.144K | $0.95 | $4 | 2026-06-12 | |||
| Inkling Smallthinkingmachines/inkling-small | 25.7 | 1.04858M | $0.58 | $1.44 | 2026-07-30 | |||
| Inklingthinkingmachines/inkling | 25.0 | 1.04858M | $1.87 | $4.68 | 2026-07-15 | |||
| DeepSeek V4.1 Flashdeepseek/deepseek-v4.1-flash | 24.7 | 1M | $0.02 | $1 | 2026-09-10 | |||
| DeepSeek V4 Flashdeepseek/deepseek-v4-flash | 24.4 | 1M | $0.15 | $0.6 | 2026-04-24 | |||
| Nemotron 3 Ultra 550B A55Bnvidia/nemotron-3-ultra-550b-a55b | 22.9 | 1M | $0.1 | $0.1 | 2026-06-04 | |||
| Step 3.7 Flashstepfun/step-3.7-flash | 19.5 | 256K | $0.202 | $1.211 | 2026-05-29 | |||
| Step 3.5 Flashstepfun/step-3.5-flash | 17.0 | 256K | $0.105 | $0.314 | 2026-01-29 |