Friday, October 9, 2026 · No. 439Prices synced 10 hours ago
All·AI·Model

The AI Model Price Index

Step 3.5 Flash 2603

by EmpirioLabs AI · listed Apr 2026RTW

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

Current rates USD per 1M tokens

Input$0.10
Output$0.30
Cache read$0.02
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Step 3.5 Flash 2603Step 3.5 Flash 2603: $0.10 per 1M tokens$0.10Claude Haiku 5.5Claude Haiku 5.5: $0.10 per 1M tokens$0.10DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.15 per 1M tokens$0.15Mistral Large 4Mistral Large 4: $0.68 per 1M tokens$0.68Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75GPT-6.1 SolGPT-6.1 Sol: $2.00 per 1M tokens$2.00Grok 4.7Grok 4.7: $2.00 per 1M tokens$2.00
Output price vs. maker flagships ($/1M tokens)
Step 3.5 Flash 2603Step 3.5 Flash 2603: $0.30 per 1M tokens$0.30Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.47 per 1M tokens$0.47Claude Haiku 5.5Claude Haiku 5.5: $0.50 per 1M tokens$0.50DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Mistral Large 4Mistral Large 4: $2.09 per 1M tokens$2.09Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75Grok 4.7Grok 4.7: $6.00 per 1M tokens$6.00GPT-6.1 SolGPT-6.1 Sol: $10.00 per 1M tokens$10.00

On the record

Model id
step-3-5-flash-2603
Context window
256K tokens
Max output
131K tokens
Input modalities
text
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
yes
Knowledge cutoff
Jan 2025
Released
2026-04-02
Last updated
2026-04-02
Provider docs
docs.empiriolabs.ai

Back of the envelope

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