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IFEval only · 12 setups · 1 of 6 compared benchmarks

Hermes · claude-haiku-4-5-20251001 · as published

anthropic

as published

Its score and figures

Every figure the leaderboard's table prints for this setup.

Its score and figures
rank in group1–12
Score69.8 pts62.8–76.7 pts
Pass rate79.7%71.0–88.4%79.7% · 69 of 69 graded
Efficiency39.936.1–42.0
cost0.45×
tokens1.1×
time1.6×
Coverage1/6
Runs69

59.8 + 6.5 + 1.7 + 1.8 = 69.8 (outcome + cost + tokens + time)

  • pass rate on each benchmark's own grader
  • cost
  • tokens
  • time
  • not measured
First run
2026-10-03
Last run
2026-10-03
did not finish (scored as a fail)
0
Tasks with no grade
0

On each benchmark

Each benchmark it ran: its status, pass rate, spend and spend per pass. The studies behind them are its evidence, below.

IFEval

69.8 pts

IFEval: 79.7% · 69 of 69 graded · scored

cost
0.45× the typical spend per passing run25.2% of this setup's cost here went to runs that did not pass or were not graded; efficiency does not price it$0.01 per pass($0.0050–$0.01)29% went to the costliest 10% of attempts (7 of 69)
tokens
1.1× the typical spend per passing run26.2% of this setup's tokens here went to runs that did not pass or were not graded; efficiency does not price it21.6k per pass(18k–25.8k)18% went to the costliest 10% of attempts (7 of 69)cache split not recorded on 69 attempts
time
1.6× the typical spend per passing run21.4% of this setup's time here went to runs that did not pass or were not graded; efficiency does not price it40.1s per pass(35.4s–45.8s)14% went to the costliest 10% of attempts (7 of 69)

Efficiency and spend per pass can order setups differently: efficiency compares the typical (median) passing run, task by task, while spend per pass averages every attempt, so a few very expensive runs, passing or not, count in full; and spend per pass also counts the attempts that failed or did not finish, and divides by the pass rate. A setup is called the most frugal only where both put it first and both separate it from every other setup.

Evidence

Every published study its runs come from.