Description
The Anthropic API provides developer access to the Claude model family, including Claude 4.5 Haiku for speed ($1/$5 per MTok), Claude 4.5 Sonnet for balanced intelligence ($3/$15 per MTok), and Claude 4.5 Opus for maximum capability ($5/$25 per MTok). The 4.5 generation introduced a 67% cost reduction over previous versions. Batch processing offers 50% discount for async workloads, and prompt caching reduces costs by up to 90% for repeated contexts. Extended thinking tokens are billed at output rates. Individual Claude Pro subscription is $20/month, Max starts at $100/month with 5-20x usage, and Team plans begin at $25/user/month.
Features
- ●Claude 4.5 Series: Haiku, Sonnet, Opus models with 67% cost reduction
- ●Batch Processing: 50% discount for async API calls
- ●Prompt Caching: Up to 90% cost reduction for repeated contexts
- ●Extended Thinking: Enhanced reasoning with transparent thought process
- ●Safety Leadership: Industry-leading alignment and safety measures
Pricing
Haiku 4.5
$1 / $5
/ per MTok (in/out)
- Fastest model
- Low latency
- Cost efficient
- Good for simple tasks
Sonnet 4.5
$3 / $15
/ per MTok (in/out)
- Balanced intelligence
- 200K context
- Extended thinking
- Most popular
Opus 4.5
$5 / $25
/ per MTok (in/out)
- Most capable
- Complex reasoning
- 67% cheaper than 4.1
- Batch 50% discount
Pros & Cons
Pros
✓ 67% cheaper than previous Claude generation
✓ Batch and caching can save up to 90%
✓ Industry-leading safety and alignment
✓ 200K context window standard
Cons
✗ API-only, no built-in UI for end users
✗ Long-context pricing doubles above 200K
✗ No image generation capability
✗ Usage costs unpredictable at scale
Tags:LLM API, Claude, AI safety, developer tools, NLP, Anthropic