GPT-5 nano vs GPT-6.1 Sol

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

OpenAI
GPT-5 nanodeprecated
6.4
AI Panel
OpenAI
GPT-6.1 SolGA
9.5
AI Panel

Identity & lifecycle

ProviderOpenAIOpenAI
Family / tierGPT-5 · nanoGPT-6 · Pro
StatusdeprecatedGA
Released2025-08-072026-09-29
Knowledge cutoff2024-052026-04

Architecture & context

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

Pricing (per Mtok)

Input$0.05$2
Output$0.4$10
Cached input$0.005$0.1
Batch input$0.025$1
Free tierNoNo

Speed

Output speed (tok/s)22053
Time to first token (s)0.45.5
Latency tierfastmedium

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 score6.49.5
Decision Maker69.4
Domain Strategist69
Finance Lead99.5
Domain Practitioner69.2
Power User68.8
Skeptic68
Value score99.5

Benchmarks

GPQA Diamond—95.4
Humanity's Last Exam—52.9
LMArena Elo1337—
LMArena Coding Elo1384—
Artificial Analysis Index—52

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