← Grok 4.5 · API · High effort
Evidenceacceptedproduct_spec
Official model specification
SpaceXAI / xAI docs — grok-4.5 model card
ev_2026_07_grok45_spec
Result
500000
Confidence S
- Tested
- 2026-07-08
Configuration
How it was measured
- Exact model
- grok-4.5
- Reasoning
- high
- Tool access
- function_calling_and_structured_outputs
- Prompting
- n/a
Caveats
Known limitations
- Context size is not long-context competence (AA-LCR separate).
- Do not use withdrawn CursorBench as formal evidence.
Weighting
Evidence weight factors
The engine weights each evidence row by these factors (0–1) when fusing scores — higher is more trusted.
relevance1.00
quality0.70
recency1.00
health1.00
comparability1.00
reliability1.00
Benchmark
Official model specification
Official context window, modalities, reasoning modes, and API identifiers.
Benchmark source →