Claude Haiku 4.5
by Anthropic PBC
Fast, cost‑efficient Claude model for coding and agents.
Score
Score
Our verdict
A standout value for developers: strong coding and agent performance at very low per‑token cost, broad platform availability, and pragmatic safety defaults.
Overview
Score breakdown
Overall score
Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.
Expert review
CBAI Editorial Team
Compare Best AI · Editorial Team
Claude Haiku 4.5 hits a compelling balance for developers who need speed and scale without paying frontier‑model prices. Official materials position it as Anthropic’s fastest, most cost‑efficient model with coding and computer‑use performance close to prior frontier tiers, and in practice its $1/$5 MTok pricing plus prompt caching and batching materially lowers run‑costs for agentic and RAG‑style workloads. Haiku 4.5’s 200k context and context‑awareness are adequate for most apps, though teams needing 1M‑token windows should move up to Sonnet 4.6/5. Feature coverage is broad—vision, tool/computer use, extended thinking—and availability across Anthropic’s API and major clouds eases deployment. The trade‑off is absolute peak capability: for the hardest reasoning problems, Opus/Fable remain better fits. Overall, Haiku 4.5 is an easy recommendation for latency‑sensitive, high‑volume developer use cases.
How we tested
Tasks evaluated
- ·Verified model availability, features, and use cases on the official Haiku 4.5 page
- ·Confirmed API pricing and discounts on Claude’s pricing page
- ·Checked context‑window and vision support in Claude Platform docs
- ·Reviewed launch post and system card for safety classification and positioning
- ·Verified enterprise compliance posture on Claude Enterprise page
Method
Desk research using Anthropic’s official website, docs, and help center; no hands‑on testing performed.
Reviewer
CBAI Editorial Team
Plans & pricing
Usagebased input, $5/MTok output (Claude API). Prompt caching up to 90% off
batch processing 50% off.
Pricing may vary by region. Always verify on the vendor's website.
Feature comparison
- Fastest, most cost‑efficient Claude model with near‑frontier coding performance
- Available on Anthropic API plus Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry
- Prompt caching support (up to 90% cost savings) and batch processing (50% discount)
- Context awareness across a 200k‑token window
- Extended thinking mode for deeper reasoning when needed
- Tool use and computer‑use capabilities for agent workflows
- Supports image (vision) inputs with text outputs
- ASL‑2 safety classification per Anthropic’s safety framework
- Available in Claude Code for coding workflows
Is it right for you?
Good fit for
Latency‑critical agents
Real‑time chatbots and support agents where speed and low cost per request are key.
Agentic coding sub‑agents
Multi‑agent coding systems and orchestration that benefit from fast parallel executors.
High‑volume workloads
Powering free tiers or budget‑sensitive apps at scale with prompt caching and batching.
Less suited for
1M‑token context needs
Haiku 4.5 has a 200k context window; use Sonnet 4.6/5 for 1M‑token contexts.
Highest raw capability
For the most complex reasoning tasks, Anthropic positions Opus/Fable above Haiku.
Audio or speech I/O
Haiku 4.5 handles text and images; speech/audio aren’t supported as native modalities.
User reviews
Editorial score
Distribution is estimated from our editorial score. Verified user reviews coming soon.
Use cases
Typical ways teams rely on this tool — from everyday tasks to specialized workflows.
- Latency‑sensitive customer support and chat agents
- Coding sub‑agents and multi‑agent orchestration
- High‑volume processing for free‑tier or budget apps
- Financial analysis and monitoring
- Research sub‑agents for literature reviews and synthesis
Integrations
Reported connectors
Apps and services commonly connected out of the box or via official connectors.
- Amazon Bedrock
- Google Cloud Vertex AI
- Microsoft Foundry
Privacy & compliance
Security & data practices
Highlights we track from the vendor's documentation. Always confirm current terms, subprocessors, and regional policies on their official site.
- Anthropic states SOC 2 Type II and ISO 27001/ISO 42001 certifications
- Claude Enterprise offers HIPAA‑ready configuration with BAA. Prompts/outputs aren’t used to train models by default.
Details
Category
Price
- Usage-based: $1/MTok input, $5/MTok output (Claude API). Prompt caching up to 90% off
- batch processing 50% off.
Free version
Best for
Ideal for real‑time chat/agent experiences, multi‑agent coding workflows, and scaled deployments where speed and per‑token cost matter more than maximum context or peak reasoning performance.
Frequently asked questions
Claude Haiku 4.5
Developer
Ready to get started?
Visit the Claude Haiku 4.5 website to explore plans and pricing.
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