581 pages for models.

Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …um number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum number of tokens to generate.… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …The model that will complete your prompt. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `"claude-fable-5-2"`… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …meters - `messages: array of MessageParam` Input messages. Our models are trained to operate on alternating `user` and `assistant` conversational turns. When creating a new `Message`, you speci… Create a Message Claude Developer Platform · in the page api/messages/create …aximum number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum number of tokens to generate.… Before Claude Developer Platform · in the page api/migration-2026-10-21 …azon Bedrock, `2026-10-21` is available only for Claude 4.7 and later models. You might call a model numbered 4.6 or lower on Bedrock (see [Claude on Amazon Bedrock (`bedrock-runtime`)](https://platfo… spans Claude Developer Platform · in the page api/opentelemetry/spans …ude.com/docs/en/manage-claude/opentelemetry status: beta supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… Organization Claude Developer Platform · in the page api/organization …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… Rate Limits Claude Developer Platform · in the page api/organization/rate_limits …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… List Organization Rate Limits Claude Developer Platform · in the page api/organization/rate_limits/list …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… Workspaces Claude Developer Platform · in the page api/organization/workspaces …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… Rate Limits Claude Developer Platform · in the page api/organization/workspaces/rate_limits …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… List Workspace Rate Limits Claude Developer Platform · in the page api/organization/workspaces/rate_limits/list …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… Set Workspace Rate Limits Claude Developer Platform · in the page api/organization/workspaces/rate_limits/update …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… overview Claude Developer Platform · in the page api/overview …ttps://api.anthropic.com` that provides programmatic access to Claude models and Claude Managed Agents. <Note> **New to Claude?** For direct model access, start with [Get started](https://platform.… rate-limits Claude Developer Platform · in the page api/rate-limits …ables has its own RPM, ITPM, and OTPM limits. Some rows cover several models that share one limit; see the notes that follow the tables. You can check your current rate limits and behavior on the [Rat… service-tiers Claude Developer Platform · in the page api/service-tiers …our application's needs. featureMetadata: status: stable supportedModels: - claude-fable-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6… User Profiles Claude Developer Platform · in the page api/user_profiles …is `active`, or when the profile has the program's access to earlier models. That access is not a tier: a profile that has it alone reads `active` with every tier `inactive`, or with `tiers` `{}` on… Create User Profile Claude Developer Platform · in the page api/user_profiles/create …is `active`, or when the profile has the program's access to earlier models. That access is not a tier: a profile that has it alone reads `active` with every tier `inactive`, or with `tiers` `{}` on… List User Profiles Claude Developer Platform · in the page api/user_profiles/list …is `active`, or when the profile has the program's access to earlier models. That access is not a tier: a profile that has it alone reads `active` with every tier `inactive`, or with `tiers` `{}` on… Get User Profile Claude Developer Platform · in the page api/user_profiles/retrieve …is `active`, or when the profile has the program's access to earlier models. That access is not a tier: a profile that has it alone reads `active` with every tier `inactive`, or with `tiers` `{}` on… Update User Profile Claude Developer Platform · in the page api/user_profiles/update …is `active`, or when the profile has the program's access to earlier models. That access is not a tier: a profile that has it alone reads `active` with every tier `inactive`, or with `tiers` `{}` on… versioning Claude Developer Platform · in the page api/versioning …claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/an… Message Batches API Claude Developer Platform · in the page build-with-claude/batch-processing …igible note: 29-day retention; async storage required. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… cache-diagnostics Claude Developer Platform · in the page build-with-claude/cache-diagnostics …stable zdr: eligibility: qualified note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). Your… citations Claude Developer Platform · in the page build-with-claude/citations …: stable zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). su… claude-in-amazon-bedrock Claude Developer Platform · in the page build-with-claude/claude-in-amazon-bedrock …sole.aws.amazon.com/bedrock/home#/modelaccess) enabled for the Claude models you intend to use * The [AWS CLI](https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html) installed… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …ld-with-claude/claude-in-microsoft-foundry description: Access Claude models through Microsoft Foundry with Azure-native endpoints and authentication. --- This guide shows you how to set up Claude in… claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …d-with-claude/claude-on-amazon-bedrock-legacy description: Use Claude models on Amazon Bedrock's bedrock-runtime endpoint, through the InvokeModel and Converse APIs. --- <Note> This page covers Ama… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …atform on AWS. </Note> ## How the platform integration works Claude models run on Anthropic-managed infrastructure. This is a commercial integration for billing and access through AWS. Anthropic is… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …en/manage-claude/api-and-data-retention): eligible (excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements)) - Su… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background …eMetadata: status: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns …eMetadata: status: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …eMetadata: status: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …pt after compaction, or after your own summary or cut, stays valid on models with preserved thinking, and how to check. featureMetadata: status: beta betaHeader: compact-2026-09-04 supportedMode… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …26-01-12 zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). Serv… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …25-06-27 zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). Cont… context-windows Claude Developer Platform · in the page build-with-claude/context-windows …em can generate up to 128k output tokens (`max_tokens`). Other Claude models, including Claude Sonnet 4.5 (deprecated), have a 200k-token context window. For every model with a 1M-token context windo… effort Claude Developer Platform · in the page build-with-claude/effort …: stable zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). su… effort-per-message Claude Developer Platform · in the page build-with-claude/effort-per-message …ta betaHeader: mid-conversation-output-config-2026-07-01 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 -… This will automatically use the environment variable VOYAGE_API_KEY. Claude Developer Platform · in the page build-with-claude/embeddings …e introduces embeddings, their applications, and how to use embedding models for tasks such as search, recommendations, and anomaly detection. --- ## Before implementing embeddings When selecting an… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …manual extended thinking with a fixed budget_tokens budget on Claude models that support it, and migrate to adaptive thinking. featureMetadata: supportedModels: - claude-mythos-preview - cl… fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …erver-side-fallback-2026-07-01, fallback-credit-2026-06-01 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …Get up to 2.5x higher output tokens per second from supported Claude models. featureMetadata: betaHeader: fast-mode-2026-02-01 zdr: eligibility: eligible note: Excludes [Covered Models](h… files Claude Developer Platform · in the page build-with-claude/files …licitly deleted or they reach their configured expiration. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …``` ```csharp C# using System.Text.Json; using Anthropic.Models.Messages; var input = JsonSerializer.Deserialize<Dictionary<string, JsonElement>>( """{"operation":"add","a":1… message-threads Claude Developer Platform · in the page build-with-claude/message-threads …e does not affect your use of other ZDR eligible features. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …<Note> This example uses mid-conversation system messages; for the models and platforms that support them, see [Mid-conversation system messages](https://platform.claude.com/docs/en/build-with-clau… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …: stable zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). Requ… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …nce relative to English. featureMetadata: status: stable supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - c… overview Claude Developer Platform · in the page build-with-claude/overview …n discover which capabilities a model supports programmatically. The [Models API](https://platform.claude.com/docs/en/api/models/list) returns `max_input_tokens`, `max_tokens`, and a `capabilities` ob…