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Head-to-head

GPT-5.6 Sol vs GPT-6 Sol

As of October 25, 2026, GPT-5.6 Sol leads GPT-6 Sol on the Analyzer Index, 90.5 to 84.6.

Normalized scores are min-maxed per benchmark across all models we track (0–100). Open the interactive compare view to add benchmarks to the radar chart or pull in more models.

GPT-5.6 Sol
OpenAI
GPT-6 Sol
OpenAI
At a glanceGPT-5.6 SolGPT-6 Sol
Analyzer Index90.5 (5/13)84.6 (5/13)
Blended price$4.00/M$2.00/M
Cheapest hostmaker's APImaker's API
Context1.1M1.1M
Output speed94 tok/s166 tok/s
Time to first token4.72 s3.40 s
BenchmarkGPT-5.6 SolGPT-6 Sol
Chatbot Arena Elo

Arena

Output Speed

Speed

Time to First Token

TTFT

SimpleQA Verified

SimpleQA

OTIS Mock AIME 2024-2025

OTIS AIME

ARC-AGI 2

ARC-AGI 2

Frontier Composite

Frontier

Output Stability

Stability

Format Adherence

Format

Recovery Rate

Recovery

API Success Rate

API OK

Safety Handling

Safety

Methodology matches the main AI Model Analyzer About page.