Claude 4.5 Haiku (Reasoning) vs LongCat 2.0
Which is better for the money: Claude 4.5 Haiku (Reasoning) by Anthropic or LongCat 2.0 by LongCat? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick LongCat 2.0
LongCat 2.0 vs Claude 4.5 Haiku (Reasoning): 13.0% more intelligence, 8.3% less cost to run the AA benchmark, and 50.6% slower end-to-end.
| Metric | Claude 4.5 Haiku (Reasoning) | LongCat 2.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 19.1 | +13.0% LongCat 2.0 is 13.0% more intelligent |
| Total AA cost (lower is better) | $594.08 | $544.74 | −8.3% LongCat 2.0 is 8.3% cheaper |
| End-to-end time (lower is better) | 23.70s | 35.69s | +50.6% LongCat 2.0 is 50.6% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.75 / $2.95 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- Claude 4.5 Haiku (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- LongCat 2.0 is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Claude 4.5 Haiku (Reasoning)LongCat 2.0Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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