MidMarketBench
Rank 2completeObserved OpenRouter runProvisional tie

Grok 4.5

Model and run

Provider
xAI
Version
grok-4.5
Release
Not published
Context
500,000 tokens
Weights
Not published
Run status
complete
Candidate samples
2/2
Scored samples
2/2
Overall
96.3
Observed range
95.5 to 97.0
Provider-reported attributed cost
$0.328
Candidate attempts
$0.088
Judge attempts
$0.240
Median candidate latency
1.5 minutes

Model source: OpenRouter catalogue

Attributed costs include every OpenRouter-reported candidate and judge attempt for this model, including retries. The run total is authoritative for settled key spend.

OpenRouter provenance

Requested model and returned route.

Requested model
x-ai/grok-4.5
Routed provider
xAI
Endpoint tag
xai
Returned model
x-ai/grok-4.5
Quantisation
Not reported
Pinned route price
xai: $2.000 input / $6.000 output per 1M tokens

Run 2026-07-18-final / 2026-07-18 / Closed-book

Dimension shape

Where the observed score comes from.

Overall combines deterministic task checks with blinded, calibrated, cross-family judgements of the IC note.

Grounding89.4
Commercial judgement99.1
Scepticism100.0
Numerical sanity100.0
Risk discovery99.6
Question generation96.1
European context70.0
Output usefulness99.7

Complete field

Position among ranked two-sample runs.

6498

Interpretation limit

One case, 2 scored samples.

Directional mini benchmark: one fresh synthetic case and two samples per model. It is not a universal ranking of model intelligence.