← Grok 4.5 · API · High effort
Evidenceacceptedthird_party_leaderboard
Chatbot Arena / LMArena human preference
Chatbot Arena mirror (openlm.ai) — Grok-4.5
ev_2026_07_grok45_arena
Result
1505
Confidence B
- Tested
- 2026-07-11
- Runs
- 1
Configuration
How it was measured
- Exact model
- grok-4.5
- Reasoning
- high
- Agent harness
- none
- Tool access
- chat surface
- Prompting
- anonymous pairwise battles
PRIMARY CHA — Arena preference Elo.
Caveats
Known limitations
- Style/personality biases; Grok voice is product-distinct.
- Confirm LMArena at freeze; vote counts may still be thin post-launch.
Weighting
Evidence weight factors
The engine weights each evidence row by these factors (0–1) when fusing scores — higher is more trusted.
relevance0.90
quality0.85
recency1.00
health0.85
comparability0.75
reliability0.80
Benchmark
Chatbot Arena / LMArena human preference
Blind pairwise human preference battles aggregated into Elo ratings for chat quality, style, and helpfulness under real user prompts.
Benchmark source →