Claude Haiku 5.5 vs Pareto 26.10 Preview

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

Specs & pricing

Claude Haiku 5.5Pareto 26.10 Preview
CompanyAnthropicUnbiased
ReleasedOct 2026Oct 2026
Context window1.0M1.0M
Input /1M tokens$0.1$0.8
Output /1M tokens$0.5$3.2
Open weightsNoNo

Benchmarks

BenchmarkClaude Haiku 5.5Pareto 26.10 Preview
Speed (tok/s)—114 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.