Claude Haiku 5.5 (Medium) vs Kimi K2.6 (Reasoning)
Which is better for the money: Claude Haiku 5.5 (Medium) by Anthropic or Kimi K2.6 (Reasoning) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick Claude Haiku 5.5 (Medium)
Kimi K2.6 (Reasoning) vs Claude Haiku 5.5 (Medium): 21.7% less intelligence, 2611.5% more cost to run the AA benchmark, and 313.9% slower end-to-end.
| Metric | Claude Haiku 5.5 (Medium) | Kimi K2.6 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.5 | 27.0 | −21.7% Kimi K2.6 (Reasoning) is 21.7% less intelligent |
| Total AA cost (lower is better) | $56.36 | $1,528.20 | +2611.5% Kimi K2.6 (Reasoning) is 27× more expensive |
| End-to-end time (lower is better) | 13.12s | 54.31s | +313.9% Kimi K2.6 (Reasoning) is 313.9% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (Medium) is on today's frontier: nothing is both smarter and cheaper.
- Kimi K2.6 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Haiku 5.5 (Medium)Kimi K2.6 (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-haiku-5-5-medium/kimi-k2-6 · Markdown: /api/v1/compare/claude-haiku-5-5-medium/kimi-k2-6?format=md · llms.txt · agent skill