Claude Sonnet 4.6 · Anthropic
Claude Sonnet 4.6 is Anthropic's flagship model for professional tasks: high-quality writing, complex code, deep analysis, extended context. Known for nuanced and honest responses.
About Claude Sonnet 4.6
Claude Sonnet 4.6 is Anthropic's flagship model for professional tasks: high-quality writing, complex code, deep analysis, extended context. Known for nuanced and honest responses.
Where it shines: Best reasoning on the market · Natural writing · Honest about what it doesn't know · Excellent at code.
How to use Claude Sonnet 4.6
-
1
Type or upload
Type what you want in the box above — or upload the file if the tool asks for one.
-
2
Generate
Click the main button. Wait 2-30 seconds depending on the model and input size.
-
3
Download or share
Download the result or share the direct link. No watermark, ready to use.
Frequently asked questions
How much does it cost to use Claude Sonnet 4?
Claude Sonnet 4 is a Pro model: it costs 20 tokens per use (~$0.10 real cost for us). You need a Pro plan ($9/month → 15,000 tokens) or a one-shot pack.If you already have tokens in the free account, you can also spend them directly.
How many uses of Claude Sonnet 4 are included in the Pro plan?
Pro ($9/month) gives you 15,000 recurring tokens, at 20 tokens per Claude Sonnet 4 use, that's ~750 full uses per cycle. If you run out, one-shot packs (5,000 / 25,000 / 80,000 tokens) add to the balance without expiring before one year.
What makes Claude Sonnet 4 special?
Anthropic trains its models for honesty and nuanced reasoning — they admit when they don’t know something rather than inventing it. Its specific strengths are: best reasoning in the market, natural writing, honest about what they don’t know, and excellent in code. It accepts images as input (multimodal) as well as text — useful for describing captures, reading graphs, or solving problems from a photo.
How fast does Claude Sonnet 4 respond?
Claude Sonnet 4 has a balanced speed: 5-15 seconds per response — neither the fastest nor the slowest in the catalog.The actual time also depends on the length of the prompt and the load of the datacenter — models with huge context take longer when you enter very long texts.
How do I use Claude Sonnet 4 in ia.gratis?
You can use Claude Sonnet 4 from /chat/ by selecting Claude Sonnet 4 in the picker, or via the REST API with `model=claude-sonnet-4` in the body of the POST. Quick summary: Anthropic's standard for serious reasoning.The internal model identifier is `claude-sonnet-4` — useful when integrating via API.