2026-10-20UPDATEPlatform updated: 52 models tracked across 42 independent benchmarks including CorpFin • 2026-10-20BENCHCorpFin added to benchmark suite — long credit agreement comprehension evaluations live • 2026-10-19MODELClaude Sonnet 5.5 and Opus 5.5 achieve 75.9% and 75.8% on Excel Modeling Benchmark v1.1 • 2026-10-19MODELTax Agent Bench updated: Claude Fable 5.1 (49.2%) and Gemini 4 Argon (44.6%) lead corporate tax research • 2026-10-18MODELGemini 4 Argon claims #1 rank on Finance Agent (v2) with 65.4% • 2026-10-13MODELGoogle launches Gemini 4 Argon with 1M-token output limit and native multimodal reasoning • 2026-10-06MODELAnthropic completes Claude 5.5 generation with Claude Haiku 5.5, Opus 5.5, and Sonnet 5.5 • 2026-10-20UPDATEPlatform updated: 52 models tracked across 42 independent benchmarks including CorpFin • 2026-10-20BENCHCorpFin added to benchmark suite — long credit agreement comprehension evaluations live • 2026-10-19MODELClaude Sonnet 5.5 and Opus 5.5 achieve 75.9% and 75.8% on Excel Modeling Benchmark v1.1 • 2026-10-19MODELTax Agent Bench updated: Claude Fable 5.1 (49.2%) and Gemini 4 Argon (44.6%) lead corporate tax research • 2026-10-18MODELGemini 4 Argon claims #1 rank on Finance Agent (v2) with 65.4% • 2026-10-13MODELGoogle launches Gemini 4 Argon with 1M-token output limit and native multimodal reasoning • 2026-10-06MODELAnthropic completes Claude 5.5 generation with Claude Haiku 5.5, Opus 5.5, and Sonnet 5.5 •
Home/Models/Grok 4.6
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Grok 4.6

Proprietary#10 on FB Leaderboard500K contextReleased 2026-08-1221 benchmarks evaluated
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65.4
FB Score
#10
Overall rank
FB Score65.4Rank #10
Best benchmark95.6%SWE-bench
PAVE overall—%Level 1-4
Benchmarks21 / 42Evaluated
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Score by domain

Verification
71.0%
Rank #10 of 33
Document QA
70.9%
Rank #24 of 45
Numerical
76.9%
Rank #10 of 32
Forensic
56.0%
Rank #26 of 45
Multi-domain
Not evaluated
No data
Agent Tasks
57.2%
Rank #7 of 44
Performance profile
80%Verification71.0%Document QA70.9%Numerical76.9%Forensic56.0%Agent Tasks57.2%
Benchmark results21 evaluated · 21 pending
BenchmarkScoreRankTierWeightSourceDate
Pave Interchange Fee Benchmark
VerificationForensic
——Tier 130FB 2026Pending
FinanceBench
Document QA
——Tier 220FB 2026Pending
FinBen
Multi-domain
——Tier 310FB 2026Pending
FinQA
Numerical
——Tier 220FB 2026Pending
ConvFinQA
Document QA
——Tier 220FB 2026Pending
Finance Agent Benchmark
Agent Tasks
53.7#22 / 44Tier 130FB 20262026-09
MultiHiertt
Numerical
——Tier 310FB 2026Pending
FinAuditing
ForensicCompliance
——Tier 310FB 2026Pending
VALS Index
VerificationNumericalAgent Tasks
59.2#6 / 22Tier 125FB 20262026-08
MortgageTax Benchmark
NumericalForensic
64.2#18 / 22Tier 220FB 20262026-08
TaxEval v2
VerificationForensic
71.1#22 / 24Tier 220FB 20262026-08
Code Migration
Agent Tasks
44.6#4 / 23Tier 310FB 20262026-08
CyberBench
Forensic
——Tier 310FB 2026Pending
Excel Modeling Benchmark
Document QAForensic
62.7#23 / 44Tier 310FB 20262026-09
Legal Research Bench
Document QAForensic
48.1#3 / 22Tier 310FB 20262026-08
MedCode
Verification
44.7#7 / 20Tier 310FB 20262026-08
MedScribe
Document QA
86.5#7 / 20Tier 310FB 20262026-08
ProofBench v1.1
NumericalVerification
——Tier 310FB 2026Pending
SAGE
Agent Tasks
28.9#17 / 17Tier 310FB 20262026-08
Public Benefits Bench
VerificationForensic
66.8#6 / 16Tier 310FB 20262026-08
Vibe Code Bench v1.1
Agent Tasks
76.2#9 / 23Tier 310FB 20262026-08
Harvey's Legal Agent
Agent TasksForensic
15.8#3 / 22Tier 310FB 20262026-08
GPQA Diamond
NumericalVerification
94.7#2 / 20Tier 215FB 20262026-08
IOI
Numerical
——Tier 310FB 2026Pending
LiveCodeBench
Agent Tasks
88.2#3 / 19Tier 310FB 20262026-08
LegalBench
Document QAForensic
86.3#5 / 21Tier 310FB 20262026-08
MMLU Pro
NumericalVerification
89.4#3 / 21Tier 215FB 20262026-08
MMMU
Document QANumerical
——Tier 310FB 2026Pending
ProgramBench
Agent Tasks
——Tier 310FB 2026Pending
SkillsBench
Agent Tasks
55.8#6 / 17Tier 310FB 20262026-08
SWE-bench
Agent Tasks
95.6#4 / 22Tier 220FB 20262026-08
Terminal-Bench 2.1
Agent Tasks
78.3#6 / 23Tier 310FB 20262026-08
RSI Index
Agent TasksNumerical
——Tier 310FB 2026Pending
Time Horizon Index
ForensicAgent Tasks
——Tier 310FB 2026Pending
ReverseEngBench
Forensic
——Tier 310FB 2026Pending
Tax Agent Bench
ForensicAgent Tasks
33.1#24 / 25Tier 310FB 20262026-10
Big Finance Bench
ForensicDocument QA
——Tier 310FB 2026Pending
GDPval-MM
Document QANumerical
——Tier 310FB 2026Pending
BankerToolBench
Agent Tasks
——Tier 310FB 2026Pending
GDPval-Rubrics
Forensic
——Tier 310FB 2026Pending
PRBench-Finance
NumericalForensic
——Tier 310FB 2026Pending
CorpFin
ForensicVerification
——Tier 220FB 2026Pending
Contents.md
Model info
OrganisationxAI
Release date2026-08-12
LicenseProprietary
Context window500K tokens
Open weightNo
FB Score breakdown
Finance Agent×30 = 16.1
VALS Index×25 = 14.8
MortgageTax×20 = 12.8
TaxEval v2×20 = 14.2
Code Migration×10 = 4.5
EMB×10 = 6.3
Legal Research×10 = 4.8
MedCode×10 = 4.5
MedScribe×10 = 8.7
SAGE×10 = 2.9
Public Benefits×10 = 6.7
Vibe Code Bench×10 = 7.6
Harvey Legal×10 = 1.6
GPQA Diamond×15 = 14.2
LiveCodeBench×10 = 8.8
LegalBench×10 = 8.6
MMLU Pro×15 = 13.4
SkillsBench×10 = 5.6
SWE-bench×20 = 19.1
Terminal-Bench×10 = 7.8
Tax Agent×10 = 3.3
FB Score (weighted avg)65.4
Compare - all models
AClaude Opus 4.773.8%
OGPT-5.572.2%
OGPT-6 Sol71.1%
DDeepSeek V4 Pro70.1%
GGemini 3.1 Pro70.0%
OGPT-6 Luna70.0%
Compare vs Claude Opus 4.7 in full →
Evaluation notes
Scores reflect median of 3 runs per task at temperature 0.0 with 0-shot prompting. PAVE evaluation conducted by FinanceBenchmark. Other scores sourced from latest published arXiv papers.