Compare models
Put models side by side on price, context, capabilities, and benchmarks.
GPT-5.6 Luna is the fast, low-cost tier of OpenAI's GPT-5.6 family, tuned for high-volume, latency-sensitive work like chat, classification, and lightweight agents while retaining genuine GPT-5.6 reasoning.
Document analysis#19Business, Management, & Finance#34Mathematical#37Image understanding#40
Cost rate
0.2x
Context
1.1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$0.20
Cached input$0.02
Output$1.20
Context
Context length1,050,000
Max output tokens128,000
Knowledge cutoff2026-02-16
Performance
Throughput144 tok/s
Latency2.94s
Claude Haiku 4.5 is Anthropic's fast, affordable small model in the Claude 4 generation, balancing strong instruction-following and coding ability with low latency. It is designed for high-throughput agentic and chat applications where speed and cost efficiency are priorities.
Document analysis#31Software & IT Services#100Mathematical#101Writing, Literature, & Language#109
Cost rate
1x
Context
200K
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$1.00
Cached input$0.10
Output$5.00
Context
Context length200,000
Max output tokens64,000
Knowledge cutoff-
Performance
Throughput90 tok/s
Latency1.04s
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.
Intelligence
62.5
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
62.5
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
62.1
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
60.9