Claude Haiku 5.5 vs Kimi K3.1 Pro
Short answer
Claude Haiku 5.5 is about 20x cheaper than Kimi K3.1 Pro for a typical 3:1 input-to-output token mix ($0.20 vs $4 per 1M tokens).
Prices updated Nov 1, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models
| Claude Haiku 5.5cheaper | Kimi K3.1 Pro | |
|---|---|---|
| Provider | Anthropic | Moonshot |
| Input / 1M tokens | $0.10 | $2 |
| Output / 1M tokens | $0.50 | $10 |
| Blended (3:1) / 1M | $0.20 | $4 |
| Context window | 1M | 1M |
| ARC-AGI-2 | 61.3% (XHigh) | — |
| SWE-bench Verified | — | — |
API cost calculator
Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).
Claude Haiku 5.5cheapest$2 / month$24 / year
Kimi K3.1 Pro$40 / month$480 / year
Standard rates; batch processing and prompt caching can lower the bill.
Frequently asked questions
Which is cheaper, Claude Haiku 5.5 or Kimi K3.1 Pro?
Claude Haiku 5.5 is about 20x cheaper than Kimi K3.1 Pro for a typical 3:1 input-to-output token mix ($0.20 vs $4 per 1M tokens)..
How much do Claude Haiku 5.5 and Kimi K3.1 Pro cost per month?
For 10M input and 2M output tokens a month: Claude Haiku 5.5 costs $2 and Kimi K3.1 Pro costs $40.
More: Claude Haiku 5.5 pricing · Kimi K3.1 Pro pricing · all API prices
Benchmarks updated Nov 2, 2026.