Claude Models by Anthropic
Last refreshed 2026-07-26. Next refresh: weekly.
Details
Capabilities
Links
WebsiteAbout
Anthropic's Claude is a family of large language models (LLMs), known for being helpful, honest, and harmless. These models utilize a technique called Constitutional AI to align their behavior with human values. The Claude family contains several models, each with unique capabilities and applications, optimized for tasks like reasoning, vision analysis, code generation, and handling multilingual content. The latest models in this family, Claude 3, include Haiku, Sonnet, and Opus, distinguished by their power and speed, with Opus being the most potent and Haiku the fastest. These models are accessible via APIs and user-friendly interfaces, allowing their integration into various applications across multiple countries. While praised for their performance on benchmarks, they have also been critiqued for sometimes being overly cautious, which could limit their utility in certain scenarios 15.
Decision facts
- Best fit
- structured outputscodingmath-heavy prompts
- Capability starting point
- Claude Instant 1.1 with 100k context
- Lowest tracked input
- Claude Instant 1.2 · $0.8/1M · AWS Bedrock
- Closest related family
- Computer Use
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
Use when the workload needs 100k context and 100B parameters.
Use when the workload needs 9k context and 20B parameters.
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Claude Instant 1.1 | Use when the workload needs 100k context. | 2023-05 | 100k context | Current |
| Claude 1.3 100K | Use when the workload needs 100k context and 100B parameters. | 2023-05 | 100k context100B parameters | Current |
| Claude 1.2 | Use when the workload needs 9k context and 20B parameters. | 2023-03 | 9k context20B parameters | Current |
| Claude Instant | Use when the workload needs 9k context. | 2023-03 | 9k context | Current |
Release Timeline
4 release groupsSpecifications(6 models)
| Model | Released | Context | Parameters | Structured Outputs |
|---|---|---|---|---|
| Claude Instant 1.1 | 2023-05 | 100k | — | No |
| Claude 1.3 100K | 2023-05 | 100k | 100B | No |
| Claude 1.2 | 2023-03 | 9k | 20B | No |
| Claude Instant | 2023-03 | 9k | — | No |
Available From(2 providers)
Pricing
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