Claude Haiku 5.5 vs GPT-6 Luna

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

Specs & pricing

Claude Haiku 5.5GPT-6 Luna
CompanyAnthropicOpenAI
ReleasedOct 2026Sep 2026
Context window1.0M1.1M
Input /1M tokens$0.1$0.1
Output /1M tokens$0.5$0.5
Open weightsNoNo

Benchmarks

BenchmarkClaude Haiku 5.5GPT-6 Luna
GPQA—88.3%
Speed (tok/s)—134 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.