Claude Sonnet 4.6
Last verified September 7, 2026 · Anthropic pricing ↗$3.00/1M input · $15.00/1M output · 1.0M context · Anthropic
mid-rangecodingchatanalysisproduction
When to use Claude Sonnet 4.6
The best balance of intelligence and speed in the Claude family. Fast enough for real-time chat, smart enough for complex coding tasks. Default choice for most Claude API integrations.
- Fast responses with strong intelligence
- 1M context window
- Great at coding, analysis, and conversation
- Good cost-to-performance ratio
- Supports vision and tool use
Count Tokens
—
Tokens
—
Input Cost
—
Output Cost
Estimate Monthly Cost
Monthly Cost Estimator
Quick:
<$0.0001/mo
Pick a preset above or enter custom usage
Alternatives to Claude Sonnet 4.6
Pricing Details
AnthropicIncludes the full 1M context window at standard pricing (no long-context surcharge). Adaptive reasoning is a request-time mode, not a separate billed model. Last Sonnet on the previous tokenizer; Sonnet 5 emits ~30% more tokens for the same text. Batch: $1.50/$7.50. Cache hit: $0.30/MTok.
Input / 1M tokens
$3
Output / 1M tokens
$15
Context Window
1.0M
Max Output
64K
Price History
No price change recorded since 2026-07-24, when this site started tracking this model.
Frequently Asked Questions
Common questions about Claude Sonnet 4.6 pricing and usage
Read More About Claude Sonnet 4.6
OpenAI Codex pricing: API costs, container billing, and how it stacks up against Claude Code
March 28, 2026 · 8 min read
Grok 4.20 Beta: $2 per million tokens, 2M context, and the lowest hallucination rate measured so far
March 26, 2026 · 8 min read
Anthropic drops the 2x long-context surcharge: what Claude now costs at 1M tokens
March 24, 2026 · 7 min read