OpenAIproprietary
Released: 2026-06-01

OpenAI: GPT-6 Sol Pro

GPT-6 Sol Pro is the same underlying model as [GPT-6 Sol](https://openrouter.ai/openai/gpt-6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Intelligence Index
88.5/ 100
Calibrated multi-domain composite
Throughput Speed
55tok/sec
Output streaming throughput
Time To First Token
420ms
Initial chunk server latency
LiveBench Contam-Free
77.9%
September 2026 suite score

LiveBench Multi-Domain Evaluation Breakdown

Monthly refreshed contamination-free test sets
Logical Reasoning81.4%
Coding & Repo Repair79.7%
Mathematics (AIME)78.8%
Data Analysis & Tables75.2%
Language & Comprehension77.0%
Instruction Following77.9%

Sourced Benchmark Evaluations (61)

Verified performance across authoritative benchmarks with provenance tracking.
BenchmarkStatusScoreTrustDateSource TypeProvenance
ARC-AGI-3Active55.8%
93
2026-07-06independentSource ↗
ARC-AGI-2Nearing Saturation66.9%
75
2026-06-29independentSource ↗
FrontierMathActive23%
98
2026-06-26independentSource ↗
PutnamBenchActive42.8%
90
2026-06-25independentSource ↗
SWE-LancerDeprecated57.2%
20
2026-06-23independentSource ↗
Omni-MATHDeprecated60.9%
10
2026-06-23independentSource ↗
SoohakActive62.5%
98
2026-06-21independentSource ↗
FrontierCodeActive48.8%
98
2026-06-21independentSource ↗
Humanity's Last ExamActive37.8%
93
2026-06-19independentSource ↗
StructFlowBenchNearing Saturation66.2%
75
2026-06-19independentSource ↗
AIMENearing Saturation78.2%
75
2026-06-19independentSource ↗
OlympiadBenchActive67.5%
80
2026-06-18independentSource ↗
MathArenaActive65.8%
99
2026-06-17independentSource ↗
FireBenchActive65.4%
95
2026-06-17independentSource ↗
Terminal-BenchActive58.9%
80
2026-06-17independentSource ↗
OpenAI-MRCRActive74.3%
80
2026-06-16independentSource ↗
SimpleQAActive46%
90
2026-06-16independentSource ↗
CodeContestsDeprecated54.7%
10
2026-06-16independentSource ↗
ComplexBenchNearing Saturation63.9%
80
2026-06-15independentSource ↗
SWE-bench ProActive52.1%
90
2026-06-15independentSource ↗
LongBench-ProActive72.6%
80
2026-06-15independentSource ↗
ZeroSCROLLSNearing Saturation70.8%
78
2026-06-14independentSource ↗
MultiPL-EDeprecated77.4%
10
2026-06-14independentSource ↗
LiveCodeBenchSaturated69%
39
2026-06-13independentSource ↗
AgentIFNearing Saturation53%
80
2026-06-13independentSource ↗
MATHSaturated80.7%
25
2026-06-13independentSource ↗
InfiniteBenchNearing Saturation75.2%
65
2026-06-13independentSource ↗
MercuryDeprecated74%
10
2026-06-12independentSource ↗
SCROLLSNearing Saturation70.8%
65
2026-06-12independentSource ↗
MMLU-ProNearing Saturation81.4%
75
2026-06-12independentSource ↗
RULERNearing Saturation81.4%
84
2026-06-11independentSource ↗
TabMWPSaturated75.7%
25
2026-06-11independentSource ↗
CyberSecEvalDeprecated75.7%
10
2026-06-11independentSource ↗
SWE-bench VerifiedSaturated65.6%
25
2026-06-10independentSource ↗
MMLU-ReduxSaturated86.7%
25
2026-06-10independentSource ↗
QuALITYNearing Saturation77.9%
78
2026-06-10independentSource ↗
LongBenchNearing Saturation76.1%
65
2026-06-09independentSource ↗
SWE-benchDeprecated57.2%
10
2026-06-09independentSource ↗
MGSMNearing Saturation78.2%
65
2026-06-09independentSource ↗
AGIEvalSaturated73.8%
25
2026-06-08independentSource ↗
QASPERNearing Saturation73.5%
65
2026-06-08independentSource ↗
TruthfulQASaturated77.9%
25
2026-06-08independentSource ↗
GSM-HardDeprecated79%
10
2026-06-07independentSource ↗
SuperGLUESaturated87.5%
25
2026-06-07independentSource ↗
CodeXGLUEDeprecated79.1%
23
2026-06-06independentSource ↗
MT-BenchNearing Saturation8%
75
2026-06-06independentSource ↗
BIG-Bench HardSaturated84.1%
25
2026-06-06independentSource ↗
WinoGrandeSaturated89.2%
28
2026-06-05independentSource ↗
MBPP+Nearing Saturation85.8%
65
2026-06-05independentSource ↗
IFEvalDeprecated76.3%
25
2026-06-05independentSource ↗
GPQANearing Saturation77.9%
78
2026-06-05independentSource ↗
Needle-in-a-HaystackSaturated97.7%
44
2026-06-04independentSource ↗
HumanEval+Saturated90.8%
25
2026-06-04independentSource ↗
CommonsenseQASaturated90.1%
28
2026-06-04independentSource ↗
MBPPSaturated89.1%
25
2026-06-03independentSource ↗
GSM8KSaturated88.9%
25
2026-06-03independentSource ↗
GLUESaturated92.7%
28
2026-06-03independentSource ↗
MMLUSaturated90.3%
25
2026-06-02independentSource ↗
HumanEvalSaturated95.9%
25
2026-06-02independentSource ↗
ARC-AGISaturated80.7%
25
2026-06-02independentSource ↗
LiveBench (Continuous)Active77.9%
94
2025-02-01independentSource ↗
OpenAI Compatible API ExecutionAPI Ready
from openai import OpenAI

client = OpenAI()
response = client.chat.completions.create(
    model="openai-gpt-6-sol-pro",
    messages=[{"role": "user", "content": "Evaluate multi-step logic problem"}],
    temperature=0.2
)
print(response.choices[0].message.content)

Evaluation & Sourcing Notes

Scores listed for OpenAI: GPT-6 Sol Pro 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.