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
Input Price (Auto)
$1.00/1M
Output Price (Auto)
$5.00/1M
Cache Read (Auto)
$0.10/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
37.1
Auto routing is available for this model. Explicit provider selection is not available.
Loading provider options…
Coding Index
32.6
GPQA Diamond
Graduate-level scientific reasoning
67.2%
Better than 57% of models compared
HLE
Humanity's Last Exam
9.7%
Better than 71% of models compared
IFBench
Instruction-following benchmark
54.3%
Better than 73% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
54.7%
Better than 63% of models compared
AA-LCR
Long context reasoning evaluation
70.3%
Better than 96% of models compared
SciCode
Python programming for scientific computing
43.3%
Better than 91% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
27.3%
Better than 76% of models compared
AIME 2025
American Invitational Mathematics Examination 2025
83.7%
Better than 80% of models compared
MMLU-Pro
Professional and academic subject knowledge
76.0%
Better than 52% of models compared
Last updated May 15, 2026
Artificial AnalysisLiveCodeBench
Contamination-free coding benchmark
61.5%
Better than 67% of models compared
