The Models API response can be used to determine which models are available for use in the API. More recently released models are listed first. ... curl https://api.anthropic.com/v1/models \ --header "x-api-key: $ANTHROPIC_API_KEY" \ --header "anthropic-version: 2023-06-01"

Claude is a family of state-of-the-art large language models developed by Anthropic. Use Chat completion API to call Claude models.

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List available models. The Models API response can be used to determine which models are available for use in the API. More recently released models are…

model_list: - model_name: claude-memory-model litellm_params: model: anthropic/claude-sonnet-4-5-20250929 api_key: os.environ/ANTHROPIC_API_KEY

Models from Anthropic can be accessed not only via the standard /v1/chat/completions endpoint but also through dedicated endpoints — /messages and /v1/batches and /v1/batches/cancel/{batch_id}. The sections below describe their API schemas, usage specifics, and example requests.

This section also includes Python code examples that shows how to call Anthropic Claude models. To use a model in an inference operation, you need the model ID for the model. To get the model ID, see Supported foundation models in Amazon Bedrock. Some models also work with the Converse API.

Computer use: Our best computer-using model yet, Claude Opus 4.5 navigates new experiences with confident, consistent approaches that deliver more human-like browsing, enabling better web QA, workflow automation, and advanced user experiences. ... Claude Sonnet 4.5 is Anthropic's latest Sonnet-class model for powering real-world agents, with industry leading capabilities around coding, computer use, cybersecurity, and working with office files like spreadsheets.

Claude is a family of state-of-the-art large language models developed by Anthropic. This guide introduces our models and compares their performance.

models: - from: anthropic:claude-3-5-sonnet-latest name: claude_3_5_sonnet params: anthropic_api_key: ${ secrets:SPICE_ANTHROPIC_API_KEY } See Anthropic Model Names for a list of supported model names.

Since Anthropic supports a variety of date-stamped models, we explicitly list the latest models but allow any name in the type hints.

export ANTHROPIC_BASE_URL=https://api.deepseek.com/anthropic export ANTHROPIC_AUTH_TOKEN=${YOUR_API_KEY} export API_TIMEOUT_MS=600000 export ANTHROPIC_MODEL=deepseek-chat export ANTHROPIC_SMALL_FAST_MODEL=deepseek-chat export CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC=1

For Models, this is always "model". ... First ID in the data list. Can be used as the before_id for the previous page. ... Indicates if there are more results in the requested page direction. ... Last ID in the data list. Can be used as the after_id for the next page. ... curl https://api.anthropic.com/v1/models \ -H 'anthropic-version: 2023-06-01' \ -H "X-Api-Key: $ANTHROPIC_API_KEY"

August 10, 2025 - Claude’s model ecosystem now spans Sonnet, Opus, and Haiku variants across Anthropic’s platform and major cloud providers.As of August 2025, Anthropic’s Claude AI family includes a growing set of proprietary models that power web and app ...

Use our API to create new user experiences, products, and ways to work with the most advanced AI models on the market.