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GPT-6 Sol vs Grok 4.6

Full profiles: GPT-6 Sol (OpenAI) and Grok 4.6 (SpaceXAI): every benchmark, price and rank.

Updated · Data from 10 sources

As of 9 Nov 2026, GPT-6 Sol and Grok 4.6 are neck and neck on quality (62.9 vs 60.5 on the BenchLeader Index, inside the ±4.7 margin), and Grok 4.6 is 1.3× cheaper at $3.00 vs $4.00 per 1M tokens blended. GPT-6 Sol leads in every category we measure both in. GPT-6 Sol streams ~1.5× faster.

Key facts (as of 9 Nov 2026)

  • GPT-6 Sol scores 62.9 on the BenchLeader Index and Grok 4.6 scores 60.5 (BenchLeader, 9 Nov 2026).
  • GPT-6 Sol costs $4.00 per 1M tokens blended (list price, 9 Nov 2026).
  • Grok 4.6 costs $3.00 per 1M tokens blended (list price, 9 Nov 2026).
  • GPT-6 Sol streams ~1.5× faster than Grok 4.6 (Artificial Analysis, 7-day median, 9 Nov 2026).
  • Of the 47 benchmarks both models have, GPT-6 Sol leads 33 (BenchLeader, 9 Nov 2026).
  • On Arena WebDev, GPT-6 Sol is rated 1674 and Grok 4.6 1618 (LMArena, as published by 9 Nov 2026).
GPT-6 Sol benchmarks max OpenAI Grok 4.6 benchmarks high SpaceXAIAdd a third model

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
CodingGPT-6 Sol67 vs 61 category score; Arena WebDev 1674 vs 1618Medium
Agents & tool useGPT-6 Sol60 vs 58 category score; Terminal-Bench 50.3% vs 19.7%Medium
MathsGPT-6 Sol69 vs 63 category score; OTIS Mock AIME 100.0% vs 97.8%Medium
ReasoningGPT-6 Sol66 vs 64 category score; GPQA Diamond 94.3% vs 94.0%Medium
KnowledgeGPT-6 Sol62 vs 60 category score; SimpleQA Verified 60.7% vs 49.3%Medium
Long documentsGPT-6 Sol67 vs 65 category score; AA-LCR v1.1 83.7% vs 80.3%Medium
Images and other mediaEither61 vs 60 category score; Arena Vision 1232 vs 1264Either
Chat quality (human preference)Either64 vs 64 on Arena votesEither
Lowest costGrok 4.6$3.00 vs $4.00 per 1M blended; agentic coding session $0.144 vs $0.160–
Fastest first answerGrok 4.629.1 s (Grok 4.6 (high)) vs 72.1 s (GPT-6 Sol (max)) to the first answer token–
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • GPT-6 Sol (max) and Grok 4.6 (high) are neck and neck on quality (62.9 vs 60.5, within the ±4.7 margin).
  • GPT-6 Sol (max) is stronger in agents & tools, coding, knowledge, long context, maths, multimodal, reasoning.
  • Grok 4.6 (high) is 1.3× cheaper ($3.00 vs $4.00 per 1M blended).
  • GPT-6 Sol (max) streams 1.7× faster (121 vs 72 tokens per second).

At a glance

SpecGPT-6 SolGrok 4.6
DeveloperOpenAISpaceXAI
Released22 Sep 202611 Aug 2026
Context window (tokens)1,050,000500,000
Compared atGPT-6 Sol (max)Grok 4.6 (high)
Open weightsNoNo
Price in / out / cached input per 1M$2.00 / $10.00 / $0.200$2.00 / $6.00 / $0.500

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryGPT-6 Sol (max)Grok 4.6 (high)Leader
Reasoning66.263.6GPT-6 Sol
Coding66.561.4GPT-6 Sol
Agents & tools59.657.9GPT-6 Sol
Maths68.563.4GPT-6 Sol
Knowledge61.559.8GPT-6 Sol
Human preference64.264.2level
Multimodal60.760.0level
Long context66.664.9GPT-6 Sol

On one chart

Each domain on the index's own scale, where 50 is an average model. Click a domain to see the benchmarks behind it. Pick up to 5 models from the list.

2550 avg75ReasoningCodingAgents & toolsMathsKnowledgeLong contextMultimodalHumanpreferenceGPT-6 Sol, Reasoning: 66.2GPT-6 Sol, Coding: 66.5GPT-6 Sol, Agents & tools: 59.6GPT-6 Sol, Maths: 68.5GPT-6 Sol, Knowledge: 61.5GPT-6 Sol, Long context: 66.6GPT-6 Sol, Multimodal: 60.7GPT-6 Sol, Human preference: 64.2Grok 4.6, Reasoning: 63.6Grok 4.6, Coding: 61.4Grok 4.6, Agents & tools: 57.9Grok 4.6, Maths: 63.4Grok 4.6, Knowledge: 59.8Grok 4.6, Long context: 64.9Grok 4.6, Multimodal: 60.0Grok 4.6, Human preference: 64.2

Not drawn, measured for fewer than two of these models: Instruction following.

ModelIndex

Where sources disagree

Across the 47 benchmarks both have, GPT-6 Sol leads 33, Grok 4.6 leads 14. Every overall index that rates both puts GPT-6 Sol ahead.

Overall indexGPT-6 Sol (max)Grok 4.6 (high)Leader
BenchLeader Index62.960.5neck and neck
AA Intelligence Index v5.044.231.0†GPT-6 Sol
Arena Text14571456GPT-6 Sol

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page. Cost, tokens and time per benchmark task are measured: Artificial Analysis’ averages over its whole Intelligence Index run.

MeasureGPT-6 Sol (max)Grok 4.6 (high)
Blended price per 1M tokens$4.00$3.00
Input / output per 1M$2.00 / $10.00$2.00 / $6.00
Cached input per 1M$0.200$0.500
Price per task: chat reply$0.0038$0.0026
Price per task: summarize a 30-page report$0.030$0.028
Price per task: code edit$0.027$0.021
Price per task: agentic coding session$0.160$0.144
Price per task: structured extraction$0.0060$0.0052
Agentic coding session, input mostly cached$0.079$0.076
Cost per benchmark task (AA Index)$2.47–
Output tokens per task (AA Index)54k–
Of which reasoning35k–
Time per task (AA Index)7 min–
Output speed121 tok/s72 tok/s
Time to first answer72.1 s29.1 s
Time to a complete answer130.2 s57.7 s

Each model is compared at its best-ranked reasoning-effort setting. GPT-6 Sol (max) scores 62.9 and takes 72 s to its first answer token; GPT-6 Sol (xhigh) scores 58.6 in 24 s, GPT-6 Sol (high) scores 58.2 in 9 s. Grok 4.6 (high) scores 60.5 and takes 29 s to its first answer token; Grok 4.6 (medium) scores 59.5 in 22 s, Grok 4.6 (xhigh) scores 57.6 in 29 s. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

130 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherGPT-6 Sol (max)Grok 4.6 (high)
BenchLeader IndexBenchLeader62.960.5
Agents & tools scoreBenchLeader59.657.9
Coding scoreBenchLeader66.561.4
Human preference scoreBenchLeader64.264.2
Knowledge scoreBenchLeader61.559.8
Long context scoreBenchLeader66.664.9
Maths scoreBenchLeader68.563.4
Multimodal scoreBenchLeader60.760.0
Reasoning scoreBenchLeader66.263.6
Blended price $/MBenchLeader$4.00$3.00
Output speedBenchLeader121 tok/s72 tok/s
Time to first answerBenchLeader72.1 s29.1 s
Context windowBenchLeader1,050,000 tokens500,000 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub94.3%94.0%
SimpleBenchSimpleBench–75.9%†
Arena Hard PromptsArena (LMArena)14831481
LiveBench 2.0 ReasoningLiveBench–91.2%†
LiveBench 1.0 ReasoningLiveBench88.7%90.5%†
GPQA Diamond (AA)Artificial Analysis–95.0%
Humanity's Last Exam (AA)Artificial Analysis47.9%42.9%
HLE-Diamond (AA)Artificial Analysis45.2%21.5%†
GPQA Diamond (Vals)Vals AI–94.7%
ARC-AGI-1ARC Prize95.5%87.0%
ARC-AGI-2ARC Prize89.6%65.1%
ARC-AGI-3ARC Prize23.0%2.1%†
CritPtArtificial Analysis30.9%17.1%
CritPt v2 hard subset (AA)Artificial Analysis66.5%40.0%†
MysteryMechanismVals AI30.2%30.6%
Chess PuzzlesEpoch AI Benchmarking Hub56.0%33.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub56.0%34.0%†
LMCAEpoch AI Benchmarking Hub59.1%48.5%†
DTBenchEpoch AI Benchmarking Hub97.3%97.3%†
ForecastBenchForecastBench–65.5%†
Coding
SciCodeSciCode57.6%56.5%
WeirdMLWeirdML–67.3%
FrontierCodeCognition49.3%48.0%†
Arena CodingArena (LMArena)15201508
Arena WebDevArena (LMArena)16741618
Show all 130 benchmarks
MetricPublisherGPT-6 Sol (max)Grok 4.6 (high)
Coding
LiveBench 2.0 CodingLiveBench–76.7%†
LiveBench 1.0 CodingLiveBench81.8%76.8%†
LiveCodeBenchVals AI–88.2%
IOIVals AI82.6%47.6%
SWE-bench (Vals)Vals AI–95.6%
Code MigrationVals AI57.2%44.6%
ProgramBenchVals AI2.0%1.0%
Vibe Code Bench 1-100Vals AI–14.8%
Vibe Code Bench v1.1Vals AI87.8%76.2%
MirrorCodeEpoch AI Benchmarking Hub–41.1%†
DeepSWE v1.1Epoch AI Benchmarking Hub–65.2%
CursorBenchCursor–40.4%
ALE-BenchEpoch AI Benchmarking Hub24621508.1†
FrontierSWEEpoch AI Benchmarking Hub–25.3%†
Terminal-Bench 4.0 (AA)Artificial Analysis43.9%21.2%
Terminal-Bench 2.1 (AA)Artificial Analysis–88.4%
Startrise FrontendStartrise–72.1%†
GameBench 2 OverallDuelLab GameBench 272.9†59.0†
GameBench 2 by reasoning settingDuelLab GameBench 279.3†68.6†
Design Arena WebsiteDesign Arena1285†1284†
FrontierCode 2.0 (AA)Artificial Analysis35.6%19.8%†
Agents & tools
Terminal-BenchTerminal-Bench50.3%19.7%
APEX-AgentsMercor54.3%65.3%†
Arena AgentArena (LMArena)7-0.2†
LiveBench Long AgenticLiveBench–18.7%†
LiveBench BrowserLiveBench–49.4%†
LiveBench Agentic CodingLiveBench52.9%57.0%†
Terminal-Bench 2.1 (Vals)Vals AI83.2%78.3%
τ³-Banking (AA)Artificial Analysis–50.7%
ITBench SRE (AA)Artificial Analysis49.4%–
Analyst Agent (AA)Artificial Analysis–41.3%
CyberBenchVals AI78.0%67.7%
Finance Agent v2Vals AI49.0%53.7%
Harvey's Legal Agent Benchmark v1Vals AI1.7%15.8%
Legal Research BenchVals AI28.9%48.1%
SkillsBenchVals AI–55.8%
SREBenchVals AI30.5%–
Tax Agent BenchVals AI15.0%33.7%
Terminal-Bench 4.0 (Vals)Vals AI44.4%17.2%
Terminal-Bench ScienceVals AI30.0%11.4%
Time Horizon Index: KSPVals AI–5.8%
Arena SearchArena (LMArena)1229–
Vending-Bench 2Andon Labs14427.9†9047.0†
AutomationBenchArtificial Analysis61.6%66.7%
GDP.pdf (AA)Artificial Analysis25.2%17.0%
Harvey LAB-AA v1.1Harvey3.6%–
EnterpriseOps-GymArtificial Analysis–48.3%
AA-Briefcase v1.1Artificial Analysis14761528
Design Arena AgenticDesign Arena1212†1233†
Terminal-Bench-Science 0.1 (AA)Artificial Analysis30.0%6.2%
CWE-Bench (AA)Artificial Analysis64.2%–
DeepSec-Bench (AA)Artificial Analysis46.3%–
CyberGym end-to-end (AA)Artificial Analysis0.0%–
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub89.8%66.0%†
FrontierMath Tier 4Epoch AI Benchmarking Hub90.0%31.7%†
OTIS Mock AIMEEpoch AI Benchmarking Hub100.0%97.8%
ProofBenchVals AI83.0%†51.0%†
LiveBench MathematicsLiveBench96.4%92.6%†
Arena MathsArena (LMArena)14401444
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub60.7%49.3%
LiveBench 2.0 Data AnalysisLiveBench–75.3%†
LiveBench ResearchLiveBench–88.8%†
LiveBench 1.0 Data AnalysisLiveBench81.2%73.9%†
AA-Omniscience v1.1Artificial Analysis21.424.9†
MMLU-ProVals AI–89.4%
LegalBenchVals AI–86.3%
CorpFinVals AI–66.2%
TaxEvalVals AI–71.1%
PRBench LegalScale AI SEAL38.6%†–
BioMysteryBenchVals AI74.8%72.2%
Excel Modeling BenchmarkVals AI71.5%62.7%
MedCodeVals AI47.1%44.7%
MedScribeVals AI82.0%86.5%
Public Benefits Bench v1.1Vals AI56.6%66.8%
EBR-benchEpoch AI Benchmarking Hub53.3%30.5%†
GDP.pdfEpoch AI Benchmarking Hub26.4%16.0%
AA-Omniscience v1.1: accuracyArtificial Analysis51.1%46.2%†
AA-Omniscience v1.1: non-hallucinationArtificial Analysis39.1%60.3%†
HealthBench Professional (AA)OpenAI62.3%–
Instruction following
LiveBench LanguageLiveBench85.3%83.7%†
LiveBench Instruction FollowingLiveBench68.6%71.9%†
Arena Instruction FollowingArena (LMArena)14481451
Human preference
Arena TextArena (LMArena)14571456
Arena Creative WritingArena (LMArena)14301443
Arena Multi-turnArena (LMArena)14661449
Arena Longer QueriesArena (LMArena)14661476
Multimodal
Arena VisionArena (LMArena)12321264
LiveBench DesignLiveBench–76.3%†
MMMU-ProArtificial Analysis83.0%–
MortgageTaxVals AI–64.2%
Blueprint-Bench 2Epoch AI Benchmarking Hub36.9%†33.2%†
AA-3DArtificial Analysis1131–
Long context
AA-LCR v1.1Artificial Analysis83.7%80.3%
Arena DocumentArena (LMArena)–1451
MLCRArtificial Analysis33.9%15.6%
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub164.1†157.9†
LiveBench 2.0LiveBench–63.5%†
LiveBench 1.0LiveBench79.3%78.0%†
AA Intelligence Index v5.0Artificial Analysis44.231.0†
AA Intelligence Index v4.3.2Artificial Analysis47.644.3
AA Progress Index v1Artificial Analysis334321.5
Vals RSI IndexVals AI28.1%25.5%†
Vals Science IndexVals AI45.0%38.1%
AA Cyber IndexArtificial Analysis36.8–
Safety & honesty
FORTRESSScale AI SEAL13.5%†–

Data as of 2026-11-09. Best configuration of each model; every score links to its source on the model pages.

DuelLab GameBench 2, release gb2-20261103-eaea31df94e6 (https://benchmarks.duellab.org/releases/gb2-20261103-eaea31df94e6/), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Scores mapped to BenchLeader model names; not endorsed by DuelLab.

What changed

  • GPT-6 Sol (max): BenchLeader Index 63.5 → 62.9.
  • GPT-6 Sol (max): 2 score revisions.
  • Grok 4.6 (high): 2 score revisions.
  • GPT-6 Sol (max): 1 score revision.
  • Grok 4.6 (high): 1 score revision.
  • GPT-6 Sol (max): 1 score revision.
  • GPT-6 Sol (max): 6 new results (AA Intelligence Index v5.0, AA-Omniscience v1.1, CritPt v2 hard subset (AA)…).
  • GPT-6 Sol (max): 1 score revision.
  • GPT-6 Sol (max): 1 score revision.
  • GPT-6 Sol (max): BenchLeader Index 64.1 → 63.5.

Rankings: Best LLM overall · Best LLM for agents · Best cheap LLMs

GPT-6 Sol vs Grok 4.6: questions

Is GPT-6 Sol better than Grok 4.6?
GPT-6 Sol (max) and Grok 4.6 (high) are neck and neck on quality (62.9 vs 60.5, within the ±4.7 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 9 Nov 2026, so check the category scores for your use.
GPT-6 Sol vs Grok 4.6: which is cheaper, and will that change?
Grok 4.6 is cheaper today: $3.00 against $4.00 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
Is GPT-6 Sol or Grok 4.6 better for coding?
GPT-6 Sol scores higher in coding (67 vs 61 on the category index, where 50 is average). On Arena WebDev, the top shared coding benchmark, it is 1674 for GPT-6 Sol against 1618 for Grok 4.6.
Which is faster, GPT-6 Sol or Grok 4.6?
GPT-6 Sol streams ~1.5× faster (121 vs 72 output tokens per second, Artificial Analysis 7-day median).
Is GPT-6 Sol or Grok 4.6 better for agents and tool use?
GPT-6 Sol scores higher in agentic tasks (60 vs 58 on the category index, where 50 is average). On Terminal-Bench, the top shared agents & tools benchmark, it is 50.3% for GPT-6 Sol against 19.7% for Grok 4.6.
More questions (4)
Which is better for long documents?
GPT-6 Sol scores higher on long-context benchmarks (67 vs 65). GPT-6 Sol accepts more context: 1,050,000 against 500,000 tokens for Grok 4.6.
Which has lower latency?
Grok 4.6 answers first: 29.1 s against 72.1 s to the first answer token, as Artificial Analysis measures it. Reasoning effort drives most of this: a higher setting thinks longer before it answers.
Do independent benchmarks agree on GPT-6 Sol vs Grok 4.6?
Across the 47 benchmarks both have, GPT-6 Sol leads 33, Grok 4.6 leads 14. Every overall index that rates both puts GPT-6 Sol ahead.
When was GPT-6 Sol released?
GPT-6 Sol was released on 22 Sep 2026.