GPT-5 vs GPT-6.1 Sol

Best cell per row highlighted. Null means undisclosed — never counted as zero.

OpenAI
GPT-5deprecated
6.5
AI Panel
OpenAI
GPT-6.1 SolGA
9.5
AI Panel

Identity & lifecycle

ProviderOpenAIOpenAI
Family / tierGPT-5 · ProGPT-6 · Pro
StatusdeprecatedGA
Released2025-08-072026-09-29
Knowledge cutoff2024-092026-04

Architecture & context

Context window400K1.1M
Max output tokens128K128K
Input modalitiestext, imagetext, image
Reasoning modeoptionalalways
Open weightsNoNo

Pricing (per Mtok)

Input$1.25$2
Output$10$10
Cached input$0.125$0.1
Batch input$0.625$1
Free tierNoNo

Speed

Output speed (tok/s)9053
Time to first token (s)15.5
Latency tiermediummedium

Trust & deployment

Trains on inputsNoNo
LicenseProprietaryProprietary
CloudsAzure OpenAI, Azure AI FoundryAzure OpenAI, Azure AI Foundry, Bedrock
ComplianceSOC2, GDPR, CCPA, HIPAASOC2, ISO27001, GDPR, CCPA, HIPAA

AI Panel scoring

Unified score6.59.5
Decision Maker69.4
Domain Strategist6.59
Finance Lead69.5
Domain Practitioner79.2
Power User78.8
Skeptic6.58
Value score79.5

Benchmarks

GPQA Diamond89.495.4
AIME 202594.6—
SWE-bench Verified74.9—
Aider Polyglot88—
MMMU84.2—
Humanity's Last Exam4252.9
LMArena Elo1435—
LMArena Coding Elo1470—
Artificial Analysis Index—52

Scores link to their sources. Missing cells mean the vendor hasn't disclosed a result — honesty over padding.