GPT-5.6 Sol

OPENAI Developer Architecture Profile

Intelligence (ELO)1505Chatbot Arena Verified

Max Context1,050,000Tokens

API Cost / 1M$35.00Blended Prompt + Completion

Model Capabilities

Coding & Logic
Fictional

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...

Granular Pricing Matrix

Input Tokens (Prompt)$5.00 / 1M

Output Tokens (Completion)$30.00 / 1M

Pricing data via OpenRouter. Sync: 7/9/2026

Evaluate Competitors

VS Engine MatchupGPT-5.6 Sol vs OpenAI: GPT-5.6 Luna Pro VS Engine MatchupGPT-5.6 Sol vs Google: Nano Banana 2 (Gemini 3.1 Flash Image)VS Engine MatchupGPT-5.6 Sol vs OpenAI: GPT Chat Latest VS Engine MatchupGPT-5.6 Sol vs OpenAI: GPT-5.3-Codex VS Engine MatchupGPT-5.6 Sol vs OpenAI: GPT-5.2-Codex VS Engine MatchupGPT-5.6 Sol vs OpenAI: GPT-5.1-Codex-Max