Claude 3.5 Sonnet: Pricing, Context, and Benchmarks

Claude 3.5 Sonnet is Anthropic's Claude 3 model released on 2024-10-22. It runs on a 200K-token context window, priced at $3.00/M input and $15.00/M output. Previous-gen flagship. Still widely deployed; deprecation timeline announced for late 2026.

Input
$3.00/M
Output
$15.00/M
Cached input
$0.3000/M
Context
200K
Max output
8K

Specifications

ProviderAnthropic
FamilyClaude 3
Released2024-10-22
Statusactive
Context window200K tokens
Max output8K tokens
Modalitiestext image
Capabilities function calling json mode vision streaming tool use
Tokenizerclaude-3
API endpointhttps://api.anthropic.com/v1/messages
DocumentationOfficial docs ↗
Last updated2026-05-29

Cost calculator

For 1,000 tokens of input and 1,000 tokens of output per call, this model costs $0.0180 per call. For typical usage:

WorkloadTokens / call (in/out)$/call$/1K calls$/1M calls
Short Q&A 200 / 100 $0.002100 $2.10 $2,100
Standard chat 1K / 500 $0.010500 $10.50 $10,500
RAG with retrieval 4K / 500 $0.019500 $19.50 $19,500
Long doc summary 20K / 1K $0.075000 $75.00 $75,000
Long context (100K input) 100K / 2K $0.322500 $322.50 $322,500

For more precise estimates including caching discounts, use the LLM API Cost Calculator.

Other Anthropic models

Common comparisons

API setup

curl https://api.anthropic.com/v1/messages \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "claude-3-5-sonnet", "messages": [{"role": "user", "content": "Hello"}]}'

See the official documentation for the full request/response schema. For pre-flight token counting before paying, use the appropriate token counter.