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GPT-6 Luna vs GPT-6 Sol

OpenAI against OpenAI, the same lab's consecutive models. Prices, scores and speed below are live.

  • GPT-6 Luna costs 95% less on blended price ($0.30 against $6.00 per 1M tokens, 3 input to 1 output).
  • GPT-6 Sol scores higher on the Artificial Analysis Intelligence Index: 44.1 against 27.9.
  • On the 24 benchmarks both have scores on, GPT-6 Luna leads on 1 and GPT-6 Sol on 23.
  • Both read up to 1.1M tokens of context.
  • GPT-6 Luna is newer: listed Sep 22, 2026, against Sep 22, 2026.
Run both on your promptGPT-6 LunaGPT-6 Sol

Side by side

GPT-6 LunaGPT-6 Sol
LabOpenAIOpenAI
ListedSep 22, 2026Sep 22, 2026
Input per 1M tokens$0.15$3.00
Output per 1M tokens$0.75$15.00
Cached input per 1M$0.015$0.30
Blended (3:1) per 1M$0.30$6.00
Context window1.1M1.1M
Max output128K128K
Knowledge cutoff--
Intelligence index27.944.1
Coding index--
ReasoningYesYes
Reads imagesYesYes
Tool useYesYes
Structured outputYesYes

Every benchmark both are scored on

Each model's best score per benchmark, with its source. Scores from different sources or settings are not always comparable; each links to where it was published.

BenchmarkGPT-6 LunaGPT-6 Sol
AIME98.9%Epoch AI100%Epoch AI
APEX-Agents44.3%Epoch AI54.3%Epoch AI
ARC-AGI-186.7%Epoch AI95.5%Epoch AI
ARC-AGI-259.3%Epoch AI89.6%Epoch AI
Chess Puzzles36%Epoch AI56%Epoch AI
DTBench90.1%Epoch AI97.3%Epoch AI
FrontierCode42.4Epoch AI49.3Epoch AI
FrontierMath Tier 4 (v2)56.1%Epoch AI90%Epoch AI
FrontierMath Tiers 1-3 (v2)78.9%Epoch AI89.8%Epoch AI
GPQA Diamond87.4%Artificial Analysis and OpenRouter91.9%Artificial Analysis and OpenRouter
LMArena (Coding)1437 EloLMArena1447 EloLMArena
LMArena (Overall)1389 EloLMArena1397 EloLMArena
LMArena: Creative Writing1362 EloLMArena1378 EloLMArena
LMArena: Hard Prompts1408 EloLMArena1420 EloLMArena
LMArena: Longer Query1407 EloLMArena1416 EloLMArena
LMArena: Math1429 EloLMArena1422 EloLMArena
LMArena: Multi-Turn1393 EloLMArena1411 EloLMArena
LMCA44.5Epoch AI59.1Epoch AI
Mystery Game Puzzles7%Epoch AI56%Epoch AI
ProofBench64%Epoch AI83%Epoch AI
SciCode54.6%Epoch AI57.6%Epoch AI
SimpleQA Verified41.4%Epoch AI60.7%Epoch AI
tau-bench (Airline)67.3%Artificial Analysis and OpenRouter69.3%Artificial Analysis and OpenRouter
WebDev Arena1582 EloEpoch AI1689 EloEpoch AI

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Where these figures come from

Prices are GenMagic's own, what the studio and the API charge, recomputed from each provider's price list every few minutes. The indices are the Artificial Analysis indices, and every benchmark score links to its source, re-read daily. Measured speed is GenMagic's own generation records, in aggregate. See OpenAI models, OpenAI models, every LLM's price and our sources.