Claude Haiku 4.5
MultimodalClaude Haiku 4.5 is Anthropic's fastest and most cost-effective model, matching Sonnet 4 performance on coding, computer use, and agentic tasks. It offers performance comparable to Sonnet 4 at one-third the cost and more than twice the speed, making it ideal for high-throughput, latency-sensitive applications and multi-agent system orchestration.
Key Specifications
Parameters
-
Context
200.0K
Release Date
October 15, 2025
Average Score
67.6%
Timeline
Key dates in the model's history
Announcement / Last Update
October 15, 2025
Today
October 5, 2026
Technical Specifications
Parameters
-
Training Tokens
-
Knowledge Cutoff
February 1, 2025
Family
-
Capabilities
MultimodalZeroEval
Pricing & Availability
Input (per 1M tokens)
$1.00
Output (per 1M tokens)
$5.00
Max Input Tokens
200.0K
Max Output Tokens
64.0K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning
Benchmark Results
Model performance metrics across various tests and benchmarks
Programming
Programming skills tests
SWE-Bench Verified
standard • Self-reported
Reasoning
Logical reasoning and analysis
GPQA
Diamond subset • Self-reported
Other Tests
Specialized benchmarks
Terminal-Bench
standard • Self-reported
Tau2 Retail
standard • Self-reported
Tau2 Airline
standard • Self-reported
Tau2 Telecom
standard • Self-reported
OSWorld
standard • Self-reported
AIME 2025
python • Self-reported
AIME 2025
no tools • Self-reported
MMMLU
standard • Self-reported
MMMU (validation)
standard • Self-reported
Cybersecurity CTFs
32-challenge subset • Self-reported
Finance Agent v2
Thinking • Verified
License & Metadata
License
proprietary
Announcement Date
October 15, 2025
Last Updated
October 15, 2025
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