Claude Haiku 5.5 vs Pareto 26.9

Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.

Specs & pricing

Claude Haiku 5.5Pareto 26.9
CompanyAnthropicUnbiased
ReleasedOct 2026Oct 2026
Context window1.0M262K
Input /1M tokens$0.1$2.5
Output /1M tokens$0.5$7.5
Open weightsNoNo

Benchmarks

BenchmarkClaude Haiku 5.5Pareto 26.9
Speed (tok/s)239 tok/s—

Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.