Anthropic
Claude Sonnet 5
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work.
At a glance
- Input / 1M
- $2
- Output / 1M
- $10
- Context
- 1M
- Max output
- 128K
- Intelligence
- 38.2
- Released
- Jun 2026
Pricing
Claude Sonnet 5 API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $2 |
|---|---|
| Output tokensPer 1M tokens | $10 |
| Cached input (read)Per 1M tokens | $0.20 |
| Cache writePer 1M tokens | $2.50 |
| Web searchPer request | $0.01 |
Chat message
2K in, 500 out
$9
per 1,000 requests
Coding task
30K in, 4K out
$100
per 1,000 requests
Long document summary
150K in, 2K out
$320
per 1,000 requests
Benchmarks
Claude Sonnet 5 benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
38.2
Coding index
71.5
Agentic index
43.6
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 1M tokens
- Max output
- 128K tokens
- Input types
- File, Image, Text
- Output types
- Text
- Reasoning effort
- Max, Extra high, High, Medium, Low
- Release date
- June 30, 2026
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
Claude Sonnet 5 vs other models
See how Claude Sonnet 5 stacks up head to head on price, benchmarks, and features.
VS
Claude Sonnet 5 vs DeepSeek V4.1 Flash
Anthropic vs DeepSeek
See comparisonVS
Claude Sonnet 5 vs Gemini 3.8 Flash
Anthropic vs Google
See comparisonVSClaude Sonnet 5 vs Kimi K3
Anthropic vs Moonshot AI
See comparisonVSClaude Sonnet 5 vs GLM 5.2
Anthropic vs Z.ai
See comparisonVS
Claude Sonnet 5 vs GPT-5.6 Terra
Anthropic vs OpenAI
See comparisonVSClaude Sonnet 5 vs Claude Opus 4.8
Anthropic vs Anthropic
See comparisonMore Claude Sonnet 5 comparisons
- Claude Sonnet 5 vs Claude Opus 4.7
- Claude Sonnet 5 vs Qwen3.8 2.4T A95B
- Claude Sonnet 5 vs Gemini 3.7 Flash
- Claude Sonnet 5 vs Muse Spark 1.2
- Claude Sonnet 5 vs GPT-5.4
- Claude Sonnet 5 vs Grok 4.5
- Claude Sonnet 5 vs GPT-5.5
- Claude Sonnet 5 vs Gemini 3.5 Flash
- Claude Sonnet 5 vs GPT-5.3-Codex
- Claude Sonnet 5 vs Claude Opus 4.6
- Claude Sonnet 5 vs Claude Sonnet 4.6
- Claude Sonnet 5 vs Claude Opus 4.5
Alternatives
Claude Sonnet 5 alternatives
Similar models worth considering, and where each one has the edge.
Moonshot AI
Kimi K3
Anthropic
Claude Opus 4.8
Gemini 3.8 Flash
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does Claude Sonnet 5 cost?
Claude Sonnet 5 costs $2 per 1M input tokens and $10 per 1M output tokens through the API. A typical chat message costs about $9 per 1,000 messages.
What is the context window of Claude Sonnet 5?
Claude Sonnet 5 accepts up to 1M tokens of input and can write up to 128K tokens in a single response.
What is the best alternative to Claude Sonnet 5?
Kimi K3 from Moonshot AI is a strong alternative. It offers: higher intelligence score, larger 1.05m context, accepts video.
Can I use Claude Sonnet 5 alongside other models?
Yes. Shortcut Chat sends one prompt to Claude Sonnet 5 and any other models you pick at the same time, so you can compare answers side by side.
Try Claude Sonnet 5 next to every other model.
Use Claude Sonnet 5 alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.