Grok 4.5 ranked #
2# on AlphaSignal’s private SignalDesk V1 coding-agent benchmark
It achieved a 99% resolve rate, successfully completing 69 of 70 attempts and ranking ahead of Claude Fable 5, Claude Opus 4.8 and Kimi K3
Its efficiency was exceptional:
• $0.074 per successful fix
• $5.12 total cost
• 46-second average completion time
• 5.1 million total tokens used
Grok delivered near-perfect bug fixing while costing roughly half as much per successful fix as Fable 5....a model that ranked below it
Grok 4.5 is not only powerful
It is also the most efficient coding agent available today