Speed & Cost · sub-raceDominant lead
Cost-Efficiency race
Capability per dollar: a log-scaled blend of overall capability and blended token price.
- Leader
- Haiku 5.5
- Margin
- 17.6 pts
- 26.8% ahead
- Weeks at #1
- 2
- in a row
- Changes
- 1
- in 2026
Warming up the track…
Oct 19, 2026Haiku 5.5 leads
2025Apr ’25Jul ’25Oct ’252026Apr ’26Jul ’26Oct ’26
Score history
Top 6 today over the leader's frontier · click to jump to a week
#1 frontierHaiku 5.5GPT-6 Luna3.5 FlashV4.1 FlashSpark Opengpt-oss
Reigns at #1
Longest: V3.2, 45 weeks (from Dec 2025).
Sibling races
More speed & cost races
Why this race matters
For high-volume workloads, a slightly weaker model at a tenth of the price usually wins.
How it is scored
Capability index minus a log2 price penalty, rescaled to 0-100.
Unit: indexHigher is betterPhoto finish under 0.6 ptsDominant over 3.5 pts
Data provenance
Independent measurement of intelligence indices, speed, latency and price.
Lab price sheets
List prices, 3:1 input-to-output blend.
Scores here are illustrative placeholders that mimic real benchmark patterns. Swap in live data through the score provider. Methodology