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GPT-6 Luna Pro vs GPT-6 Sol Pro

Detailed technical comparison between GPT-6 Luna Pro (OpenAI) and GPT-6 Sol Pro (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT-6 Luna Pro: 2 WinsvsGPT-6 Sol Pro: 4 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GPT-6 Luna Pro

$0.10 / MTok
OpenAIactive

GPT-6 Luna Pro

GPT-6 Luna Pro is an advanced artificial intelligence model engineered by OpenAI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, GPT-6 Luna Pro represents a key architectural iteration in the OpenAI model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,050,000 tokens (approximately 1,400 words), GPT-6 Luna Pro processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View GPT-6 Luna Pro Full Specs →
OpenAIactive

GPT-6 Sol Pro

GPT-6 Sol Pro is an advanced artificial intelligence model engineered by OpenAI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, GPT-6 Sol Pro represents a key architectural iteration in the OpenAI model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,050,000 tokens (approximately 1,400 words), GPT-6 Sol Pro processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View GPT-6 Sol Pro Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-6 Luna ProGPT-6 Sol Pro
ProviderOpenAIOpenAI
Context Window1,050,000 tokens1,050,000 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityBeta Access (est.)Beta Access (est.)
API AvailableYesYes
Released Date2026-09-222026-09-22

API Pricing Comparison

Input Price per Million Tokens

GPT-6 Luna Pro

$0.10

GPT-6 Sol Pro

$2.00

Output Price per Million Tokens

GPT-6 Luna Pro

$0.50

GPT-6 Sol Pro

$10.00

💡 Cost Ratio: GPT-6 Luna Pro is 20.0x cheaper per input token than GPT-6 Sol Pro.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
88.4%vs85.8%+2.6% GPT-6 Luna Pro
GPT-6 Luna Pro 🏆
GPT-6 Sol Pro
HumanEvalPython coding & logic synthesis
87.6%vs85.0%+2.6% GPT-6 Luna Pro
GPT-6 Luna Pro 🏆
GPT-6 Sol Pro
MATHComplex mathematical problem solving
65.4%vs66.2%+0.8% GPT-6 Sol Pro
GPT-6 Luna Pro
GPT-6 Sol Pro 🏆
GPQAGraduate-level expert reasoning
46.8%vs47.6%+0.8% GPT-6 Sol Pro
GPT-6 Luna Pro
GPT-6 Sol Pro 🏆
HellaSwagCommonsense reasoning and inference
86.0%vs86.8%+0.8% GPT-6 Sol Pro
GPT-6 Luna Pro
GPT-6 Sol Pro 🏆
MT-BenchMulti-turn conversation flow quality
8.9%vs8.9%+0.1% GPT-6 Sol Pro
GPT-6 Luna Pro
GPT-6 Sol Pro 🏆

GPT-6 Luna Pro Quirks & Gotchas

No developer gotchas reported.

GPT-6 Sol Pro Quirks & Gotchas

No developer gotchas reported.

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