Claude Haiku 4.5
Anthropic
Overall Trust Score
Anthropic's fastest model released October 2025. Best coding performance (73.3% SWE-bench) at 1/3 cost and 2x speed of Sonnet 4. First Haiku with extended thinking.
Trust Vector
Performance & Reliability
Best coding model for the price. 73.3% SWE-bench beats Sonnet 4. 4-5x faster than Sonnet 4.5. Flagship performance at budget pricing.
task accuracy code96
task accuracy reasoning89
task accuracy general90
output consistency88
latency p50Value: 0.4s
latency p95Value: 0.9s
context windowValue: 200,000 tokens
uptime99
Security
Strong security with ASL-2 standard. Constitutional AI guardrails. Less restrictive than ASL-3 models.
prompt injection resistance87
jailbreak resistance88
data leakage prevention84
output safety89
api security86
Privacy & Compliance
Excellent privacy with ephemeral data. HIPAA eligible at budget pricing. Strong compliance.
data residencyValue: US, EU (customer choice)
training data optout95
data retentionValue: 0 days (ephemeral)
pii handling87
compliance certifications92
zero data retention95
Trust & Transparency
Good transparency with extended thinking (first for Haiku). Strong guardrails. Latest training cutoff (Feb 2025).
explainability86
hallucination rate83
bias fairness82
uncertainty quantification84
model card quality89
training data transparency78
guardrails91
Operational Excellence
Excellent for high-volume production. Budget pricing enables multi-agent architectures. Fast deployment.
api design quality93
sdk quality92
versioning policy89
monitoring observability88
support quality90
ecosystem maturity91
license terms92
✨ Strengths
- •Best coding performance for price: 73.3% SWE-bench beats Sonnet 4
- •4-5x faster than Sonnet 4.5 (~0.4s p50 latency)
- •Budget pricing: $1/$5 per 1M tokens (1/3 cost of Sonnet 4)
- •First Haiku with extended thinking, computer use, context awareness
- •HIPAA eligible with ephemeral data handling
- •200K context, 64K output (more than Opus 4)
- •Latest training cutoff: February 2025
⚠️ Limitations
- •ASL-2 security (less restrictive than ASL-3 Opus/Sonnet models)
- •Slightly lower reasoning than Opus 4 for complex tasks
- •Training cutoff February 2025
- •New model with less battle-testing than predecessors
📊 Metadata
Use Case Ratings
code generation
World's best coding model for the price. 73.3% SWE-bench beats even Sonnet 4. Perfect for high-volume coding.
customer support
Exceptional for customer support. Flagship performance at $1/$5. 0.4s latency perfect for chat.
content creation
Strong content creation at budget pricing. Fast generation (4-5x faster than Sonnet 4.5).
data analysis
Good analytical capabilities with extended thinking. Great value for cost.
research assistant
Excellent for research. 200K context, extended thinking, fast, budget pricing.
legal compliance
HIPAA eligible with strong privacy at budget pricing. Good for legal document processing.
healthcare
HIPAA eligible. Budget pricing enables high-volume clinical documentation.
financial analysis
Good for standard financial analysis. Extended thinking helps with modeling.
education
Exceptional for education. Fast, affordable, strong explanations. Perfect for high-volume use.
creative writing
Strong creative writing. Fast generation good for drafting. Budget pricing for iteration.