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GPT-6 Sol vs Grok 4.6

OpenAI against xAI. Prices, scores and speed below are live.

  • Grok 4.6 costs 25% less on blended price ($4.50 against $6.00 per 1M tokens, 3 input to 1 output).
  • Grok 4.6 scores higher on the Artificial Analysis Intelligence Index: 44.4 against 44.1.
  • On the 25 benchmarks both have scores on, GPT-6 Sol leads on 14 and Grok 4.6 on 10, with 1 tied.
  • GPT-6 Sol reads more context: 1.1M tokens against 500K.
  • GPT-6 Sol is newer: listed Sep 22, 2026, against Aug 12, 2026.
Run both on your promptGPT-6 SolGrok 4.6

Side by side

GPT-6 SolGrok 4.6
LabOpenAIxAI
ListedSep 22, 2026Aug 12, 2026
Input per 1M tokens$3.00$3.00
Output per 1M tokens$15.00$9.00
Cached input per 1M$0.30$0.75
Blended (3:1) per 1M$6.00$4.50
Context window1.1M500K
Max output128K450K
Knowledge cutoff--
Intelligence index44.144.4
Coding index-76.8
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 SolGrok 4.6
AIME100%Epoch AI99.2%Epoch AI
APEX-Agents54.3%Epoch AI65.3%Epoch AI
ARC-AGI-195.5%Epoch AI87.5%Epoch AI
ARC-AGI-289.6%Epoch AI67.1%Epoch AI
Chess Puzzles56%Epoch AI33%Epoch AI
DTBench97.3%Epoch AI97.3%Epoch AI
Earthborne Rangers (EBR-bench)53.3Epoch AI30.5Epoch AI
FrontierCode49.3Epoch AI48Epoch AI
FrontierMath Tier 4 (v2)90%Epoch AI31.7%Epoch AI
FrontierMath Tiers 1-3 (v2)89.8%Epoch AI66%Epoch AI
GPQA Diamond91.9%Artificial Analysis and OpenRouter92.8%Artificial Analysis and OpenRouter
LMArena (Coding)1447 EloLMArena1464 EloLMArena
LMArena (Overall)1397 EloLMArena1429 EloLMArena
LMArena: Creative Writing1378 EloLMArena1426 EloLMArena
LMArena: Hard Prompts1420 EloLMArena1447 EloLMArena
LMArena: Longer Query1416 EloLMArena1456 EloLMArena
LMArena: Math1422 EloLMArena1461 EloLMArena
LMArena: Multi-Turn1411 EloLMArena1425 EloLMArena
LMCA59.1Epoch AI48.5Epoch AI
Mystery Game Puzzles56%Epoch AI34%Epoch AI
ProofBench83%Epoch AI51%Epoch AI
SciCode57.6%Epoch AI56.5%Epoch AI
SimpleQA Verified60.7%Epoch AI49.3%Epoch AI
tau-bench (Airline)69.3%Artificial Analysis and OpenRouter75.3%Artificial Analysis and OpenRouter
WebDev Arena1689 EloEpoch AI1618 EloEpoch AI

More comparisons

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, xAI models, every LLM's price and our sources.