GPT-5.4 nano vs GPT-6.1 Sol

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

OpenAI
GPT-5.4 nanoGA
8.2
AI Panel
OpenAI
GPT-6.1 SolGA
9.5
AI Panel

Identity & lifecycle

ProviderOpenAIOpenAI
Family / tierGPT-5 · nanoGPT-6 · Pro
StatusGAGA
Released2026-03-172026-09-29
Knowledge cutoff2025-082026-04

Architecture & context

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

Pricing (per Mtok)

Input$0.2$2
Output$1.25$10
Cached input$0.02$0.1
Batch input$0.1$1
Free tierNoNo

Speed

Output speed (tok/s)25053
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 score8.29.5
Decision Maker89.4
Domain Strategist89
Finance Lead109.5
Domain Practitioner89.2
Power User78.8
Skeptic88
Value score9.99.5

Benchmarks

GPQA Diamond82.895.4
Humanity's Last Exam—52.9
LMArena Elo1402—
LMArena Coding Elo1460—
Artificial Analysis Index—52

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