OpenAIproprietary
Released: 2026-07-09GPT-5.6 Sol
OpenAI flagship Sol model with advanced reasoning controls, leading cybersecurity analysis, and ultra-high-effort test-time verification.
Intelligence Index
95.5/ 100
Calibrated multi-domain compositeThroughput Speed
62tok/sec
Output streaming throughputTime To First Token
420ms
Initial chunk server latencyLiveBench Contam-Free
82.8%
September 2026 suite scoreLiveBench Multi-Domain Evaluation Breakdown
Monthly refreshed contamination-free test setsLogical Reasoning88.0%
Coding & Repo Repair84.1%
Mathematics (AIME)87.5%
Data Analysis & Tables80.1%
Language & Comprehension77.0%
Instruction Following80.0%
Sourced Benchmark Evaluations (3)
Verified performance across authoritative benchmarks with provenance tracking.OpenAI Compatible API ExecutionAPI Ready
from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
model="gpt-5-6-sol",
messages=[{"role": "user", "content": "Evaluate multi-step logic problem"}],
temperature=0.2
)
print(response.choices[0].message.content)Evaluation & Sourcing Notes
Scores listed for GPT-5.6 Sol represent verified evaluations extracted from official research papers, independent evaluation suites (HELM, LMSYS, OpenCompass, LiveBench), and verified audit reports.
All benchmarks marked as saturated or deprecated reflect historical performance where the benchmark no longer provides active discriminative power.