Claude Haiku 5.5 vs Kimi K3.1 Pro

Specs, per-token pricing and benchmark scores from our benchmark database.

Specs & pricing

Claude Haiku 5.5Kimi K3.1 Pro
CompanyAnthropicMoonshot AI
ReleasedOct 2026Oct 2026
Context window1.0M1.0M
Input /1M tokens$0.1$2
Output /1M tokens$0.5$10
Open weightsNoNo

Benchmarks

BenchmarkClaude Haiku 5.5Kimi K3.1 Pro
AA Intelligence Index43.4%—
Arena Elo1425 Elo—
Hallucination Rate (lower is better)40.4%—
Speed (tok/s)244 tok/s—

Scores come from independent evaluators and developers' own announcements; each one links to its source on the benchmarks page. Pricing via vendor pages and OpenRouter.