What is Claude
Claude has built a strong reputation around careful writing, long-context work, structured reasoning, and a calm, dependable user experience. Teams often shortlist Claude when they care about quality of output, document-heavy workflows, and a product that feels less noisy than many AI alternatives.
Claude comes from Anthropic, which was founded in 2021 and quickly built its reputation around AI safety, clear reasoning, and dependable writing quality. Since launching Claude publicly, Anthropic has expanded from a respected lab into one of the most important commercial AI vendors for businesses that care about trust, long-context work, and careful output.
Core offerings
- Claude chat for writing, drafting, research, analysis, and internal knowledge work.
- API access for product teams and developers.
- A model family that spans higher-end reasoning and premium quality down to faster, cheaper options.
- Team and enterprise plans for workspace management and broader rollout.
Pricing
Claude Free is US$0. Pro costs US$20 monthly or US$17 per month effective when US$200 is paid annually. Max remains available in 5x and 20x usage tiers at US$100 and US$200 monthly. Team now supports 2–150 users: Standard costs US$25 per member monthly or US$20 on annual billing, while Premium costs US$125 monthly or US$100 annually. Enterprise self-serve is US$20 per seat per month plus usage at API rates; sales-assisted Enterprise uses custom pricing.
For developers, Claude Fable 5 is US$10 per million input tokens and US$50 per million output tokens; limited-access Claude Mythos 5 uses the same rates. Claude Opus 5 is US$5 and US$25, Claude Sonnet 5 is US$2 and US$10, and Claude Haiku 4.5 is US$1 and US$5. Anthropic separately publishes lower cache-read rates and higher five-minute cache-write rates for each model. An optional Opus 5 fast-mode research preview is US$10 input and US$50 output per million tokens.
Model footprint
Anthropic’s public pricing currently covers the Opus, Sonnet, and Haiku families. That is a smaller public family structure than some marketplaces, but it is easier to understand and often easier to govern.
Why select Claude
Claude is a strong option for organisations that care about writing quality, reasoning quality, long-context document analysis, and a cleaner product surface. It is often especially attractive for policy, legal, research, operations, and internal knowledge workflows.
Official sources: Claude plans, Claude Sonnet 5, and Claude Opus 5 documentation.
Current models
Anthropic publishes current model prices and limits, while training-data specifics remain undisclosed.
| Model | Context / output | Knowledge / training | Pricing / token use | Speed / notes |
|---|---|---|---|---|
| Claude Fable 5 | See current model card | Training data: not publicly disclosed | US$10 input / US$50 output per 1M tokens; US$12.50 cache write / US$1 cache read | Anthropic's newest high-end model for complex reasoning and professional work |
| Claude Mythos 5 | See current model card | Training data: not publicly disclosed | US$10 input / US$50 output per 1M tokens | Limited-access high-end model listed in Anthropic's current pricing documentation |
| Claude Opus 5 | 1M context | Training data: not publicly disclosed | US$5 input / US$25 output per 1M tokens; optional fast mode US$10 / US$50 | Current premium model; fast mode is a research preview for latency-sensitive work |
| Claude Sonnet 5 | 1M context | Training data: not publicly disclosed | US$2 input / US$10 output per 1M tokens; US$2.50 cache write / US$0.20 cache read | Current performance-and-cost tier for coding, agents, and general professional work |
| Claude Haiku 4.5 | See current model card | Training data: not publicly disclosed | US$1 input / US$5 output per 1M tokens; US$1.25 cache write / US$0.10 cache read | Fast, lower-cost tier for responsive and high-volume workloads |