Claude Haiku 4.5 with extended thinking enabled for deeper planning, more deliberate coding, and multi-step reasoning without moving up to Sonnet pricing.
Added Oct 15, 2025
Context Window
200.0K
Max Output
64.0K
Avg output tokens (7d)
937 tokens
Input Price (Auto)
$1.00/1M
Output Price (Auto)
$5.00/1M
Cache Read (Auto)
$0.10/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
29.6
Coding Index
43.9
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
67.2%
Better than 51% of models compared
HLE
Humanity's Last Exam
9.7%
Better than 64% of models compared
IFBench
Instruction-following benchmark
54.3%
Better than 66% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
54.7%
Better than 56% of models compared
AA-LCR
Long context reasoning evaluation
70.3%
Better than 95% of models compared
Coding
SciCode
Python programming for scientific computing
43.3%
Better than 87% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
27.3%
Better than 70% of models compared
LiveCodeBench
Contamination-free coding benchmark
61.5%
Better than 67% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
83.7%
Better than 80% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
76.0%
Better than 52% of models compared
Last updated Jun 28, 2026
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