Model Profile
xai-org/grok-4-fast-reasoning
Use this page to decide where this model is a strong fit. Rankings below are benchmark-backed by use case, with explicit confidence and contributor metrics.
Identity
ID: external/xai-org/grok-4-fast-reasoning
Author: xai-org
Origin: external_benchmark_shadow
Arch: unknown
Benchmark Coverage
Scored use cases: 12
Avg confidence: 44.3%
Evidence points: 308
Raw rows: 551
Weighted rows: 38
Catalog Metadata
Parameters: unknown
Context window: 4096
Downloads: 0
Price / 1M tokens: $0.28 (blended 3:1)
Intelligence Profile
Dimension Breakdown
No eq benchmarks found
No accuracy benchmarks found
* Low confidence — limited benchmark evidence for this dimension
3/5 dimensions scored · Last updated Apr 21, 2026
Benchmark Signals
Click through to the benchmark source behind this model profile.
Vals CorpFin v2
overall_accuracy_pct
Normalized value 96.1% · confidence 100.0%
Strongest impact in Thesis red teaming
vals_corp_fin_v2.overall_accuracy_pct · Mar 31, 2026
Vals Legal Bench
overall_accuracy_pct
Normalized value 85.7% · confidence 100.0%
Strongest impact in Contract Drafting & Redlining
vals_legal_bench.overall_accuracy_pct · Mar 31, 2026
Vals Case Law v2
overall_accuracy_pct
Normalized value 70.2% · confidence 100.0%
Strongest impact in Contract Drafting & Redlining
vals_case_law_v2.overall_accuracy_pct · Mar 31, 2026
Vals Finance Agent
overall_accuracy_pct
Normalized value 72.6% · confidence 100.0%
Strongest impact in Thesis red teaming
vals_finance_agent.overall_accuracy_pct · Mar 31, 2026
Vals Tax Eval v2
overall_accuracy_pct
Normalized value 96.0% · confidence 100.0%
Strongest impact in Accounts payable invoice extraction (text)
vals_tax_eval_v2.overall_accuracy_pct · Mar 31, 2026
Vals CorpFin v2
shared_max_context_accuracy_pct
Normalized value 100.0% · confidence 100.0%
Strongest impact in Thesis red teaming
vals_corp_fin_v2.shared_max_context_accuracy_pct · Mar 31, 2026
Coverage Diagnostics
actively scoredUse-Case Scores
140
Total Measurements
551
Weighted Measurements
38
Weighted Sources
17
Raw Source Coverage
Weighted Source Coverage
Best Use Cases for This Model
| Use Case | Score |
|---|---|
| Thesis red teaming use_case.fin.thesis_red_team | 33.2% |
| Earnings call synthesis use_case.fin.earnings_call_synthesis | 30.0% |
| Transaction anomaly narrative use_case.fin.transaction_anomaly_narrative | 29.4% |
| Accounts payable invoice extraction (text) use_case.fin.ap_invoice_extraction | 28.5% |
| KYC profile synthesis use_case.fin.kyc_profile_synthesis | 28.3% |
| AML alert triage use_case.fin.aml_alert_triage | 28.3% |
| Filings summarization (10-K/10-Q) use_case.fin.filings_summarization | 26.2% |
| Contract Drafting & Redlining use_case.legal.contract_drafting | 21.9% |
| Knowledge base Q&A (fast, no citations) use_case.business.kb_qna_fast | 20.9% |
| Quant research code generation use_case.fin.alpha_research_codegen | 20.8% |
| Literature synthesis with citations use_case.bio.literature_synthesis | 20.7% |
| Cross-paper contradiction analysis use_case.bio.paper_contradictions | 20.7% |