Claude Haiku 5.5 vs Pareto 26.9

Price, context window & benchmark comparison

Anthropic

Claude Haiku 5.5

Anthropic
$0.10 / $0.50
Input / Output · per 1M tokens
VS
U

Pareto 26.9

Unbiased
$2.50 / $7.50
Input / Output · per 1M tokens
Compare different models
Anthropic
U
Verdict: Claude Haiku 5.5 is 18.8× cheaper than Pareto 26.9 on a typical 3:1 input/output mix. Claude Haiku 5.5 has the larger context window (1M vs 262K).
Claude Haiku 5.5Pareto 26.9
Input price / 1M$0.10$2.50
Output price / 1M$0.50$7.50
Blended price (3:1)$0.20$3.75
Cached input / 1M$0.01$0.25
Context window1M262K
Max output128K131K
Intelligence index36.2—
Coding index——
Providers10—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-10-072026-10-13
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Haiku 5.5 or Pareto 26.9?

Claude Haiku 5.5 is 18.8× cheaper than Pareto 26.9 on a typical 3:1 input/output mix.

Claude Haiku 5.5 vs Pareto 26.9: which has a bigger context window?

Claude Haiku 5.5: 1,000,000 tokens. Pareto 26.9: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, Pareto 26.9 ≈ $8,750.

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