Friday, August 21, 2026 · No. 390Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

Step 2 (16K)

by StepFun (China) · listed Jan 2025T

StepFun flash model for efficient multimodal reasoning, coding, and tool use

Current rates USD per 1M tokens

Input$5.21
Output$16.44
Cache read$1.04
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00Step 2 (16K)Step 2 (16K): $5.21 per 1M tokens$5.21
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Step 2 (16K)Step 2 (16K): $16.44 per 1M tokens$16.44Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
step-2-16k
Context window
16K tokens
Max output
8K tokens
Input modalities
text
Output modalities
text
Reasoning
no
Tool calls
yes
Open weights
no
Knowledge cutoff
Jun 2024
Released
2025-01-01
Last updated
2026-02-13
Provider docs
platform.stepfun.com/docs/zh/overview/concept

Back of the envelope

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Also listed at

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