Claude Haiku 5.5 vs DeepSeek V4.1 Flash 1017

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

Specs & pricing

Claude Haiku 5.5DeepSeek V4.1 Flash 1017
CompanyAnthropicDeepSeek
ReleasedOct 2026Oct 2026
Context window1.0M1.0M
Input /1M tokens$0.1$0.15
Output /1M tokens$0.5$0.6
Open weightsNoNo

Benchmarks

BenchmarkClaude Haiku 5.5DeepSeek V4.1 Flash 1017
Speed (tok/s)243 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.