GPT-5 Mini
OPENAI Developer Architecture Profile
Intelligence (ELO)1489Chatbot Arena Verified
Max Context Limit400,000Max Out: 128,000 tokens
Prompt Caching90% OFF$0.02 / 1M cached
Standard API / 1M$2.25🧠 Deep Reasoner
Model Capabilities & Contract SLAs
- Coding & Logic
- Fictional
- Drafting
- Classification
- Reasoning
- Agentic
- 📋 Strict JSON Schema
- 🛠️ Native Tool Calling
- 🧠 Extended Test-Time Reasoning
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....
Granular Pricing Matrix
Input Tokens (Standard Prompt)$0.25 / 1M
⚡ Cached Input (Prompt Cache Read)90% OFF$0.02 / 1M
Output Tokens (Completion)$2.00 / 1M
Pricing data via OpenRouter. Sync: 10/2/2026
Evaluate Competitors
VS Engine MatchupGPT-5 Mini vs OpenAI: GPT-5.4 Pro (batch)VS Engine MatchupGPT-5 Mini vs OpenAI: GPT-5.1-Codex-MiniVS Engine MatchupGPT-5 Mini vs OpenAI: GPT-4o-miniVS Engine MatchupGPT-5 Mini vs OpenAI: GPT-4o (batch)VS Engine MatchupGPT-5 Mini vs Google: Gemini 3.1 Pro Preview (batch)VS Engine MatchupGPT-5 Mini vs OpenAI: GPT-5.2 (batch)