Back to Models

OpenAI: GPT-5.6 Sol

Openaitext
9.6 / 10 Overall Rating

GPT-5.6 Sol is OpenAI's flagship model tailored for complex reasoning, multi-step coding, and agentic workflows. It offers a 1.05M token context window alongside a massive 128K max output token capacity. Priced at $2.00 input and $10.00 output per million tokens, it undercuts GPT-4o and Claude 3.5 Sonnet on input costs while significantly expanding context capabilities.

Context Window
1050K
Knowledge Cutoff
2025
Max Output
16K
License
Proprietary

Where it Excels (Pros)

  • 1.05M token context window
  • 128K max output token limit
  • Optimized for multi-step agentic coding

Limitations (Cons)

  • High output token cost ratio
  • Increased latency on large contexts

Benchmark Breakdown

Reasoning (MMLU)94%
Coding (HumanEval)92%
Mathematics (MATH)90%
Long-Context Retrieval95%

Pricing Matrix

Input cost / 1M tokens$2.00
Output cost / 1M tokens$10.00
Visit OpenAI: GPT-5.6 Sol website↗

Compare OpenAI: GPT-5.6 Sol with other frontier models:

vs Meta: Muse Spark 1.2 Contributor→vs DeepSeek: DeepSeek V4 Flash Vision Exp→vs Tencent: Hy-MT2-1.8B→

Related Skills, Tools & Automations

Tool
ChatGPT
Conversational AI
Tool
Claude
Conversational AI
Tool
Cursor
Coding
Tool
v0.dev
Coding
AutomationMake
AI Customer Support Bot
Route customer inquiries to AI for instant responses, with human escalation for complex issues.
Automationn8n
Content Repurposer
Transform long-form articles into Twitter threads, LinkedIn posts, and newsletter snippets.