Claude Haiku 5.5 vs Grok 4.3
Short answer
Claude Haiku 5.5 is about 8x cheaper than Grok 4.3 for a typical 3:1 input-to-output token mix ($0.20 vs $1.56 per 1M tokens).
Prices updated Oct 23, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models
| Claude Haiku 5.5cheaper | Grok 4.3 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Input / 1M tokens | $0.10 | $1.25 |
| Output / 1M tokens | $0.50 | $2.50 |
| Blended (3:1) / 1M | $0.20 | $1.56 |
| Context window | 1M | 1M |
| ARC-AGI-2 | 61.3% (XHigh) | — |
| SWE-bench Verified | — | 71.4% |
API cost calculator
Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).
Claude Haiku 5.5cheapest$2 / month$24 / year
Grok 4.3$17.50 / month$210 / year
Standard rates; batch processing and prompt caching can lower the bill.
Frequently asked questions
Which is cheaper, Claude Haiku 5.5 or Grok 4.3?
Claude Haiku 5.5 is about 8x cheaper than Grok 4.3 for a typical 3:1 input-to-output token mix ($0.20 vs $1.56 per 1M tokens)..
How much do Claude Haiku 5.5 and Grok 4.3 cost per month?
For 10M input and 2M output tokens a month: Claude Haiku 5.5 costs $2 and Grok 4.3 costs $17.50.
More: Claude Haiku 5.5 pricing · Grok 4.3 pricing · all API prices
Benchmarks updated Oct 25, 2026.