50 pages for --model.

optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …e Opus 5 OUTPUT_PER_MTOK=25.00 USAGE=$(ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' \ --transform usage)… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --tool '{type: bash_20250124, name: bash}' \ --message '{role: user, conte… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 4096 \ --message '{ role: user, content: "Use the code execution tool to… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …ash CLI ant messages create --transform content --format yaml \ --model claude-opus-5 \ --max-tokens 1024 \ --tool '{type: web_search_20260209, name: web_search}' \ --message '{role:… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --tool '{type: text_editor_20250728, name: str_replace_based_edit_tool, max_ch… web-fetch-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-fetch-tool …": 5 }] }' ``` ```bash CLI ant messages create \ --model claude-opus-4-8 \ --max-tokens 1024 \ --message '{role: user, content: "Please analyze the content at https://exam… web-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-search-tool …": 5 }] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: What is the weather in NYC?}' \ --tool '{… beta-headers Claude Developer Platform · in the page api/beta-headers …beta:messages create \ --beta context-management-2025-06-27 \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```python Python… errors Claude Developer Platform · in the page api/errors …s printed to stderr with --debug: ant --debug messages create \ --model claude-sonnet-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```python Python… citations Claude Developer Platform · in the page build-with-claude/citations …] } ] }' ``` ```bash CLI ant messages create --model claude-opus-5 --max-tokens 1024 <<'YAML' messages: - role: user content: - type: document so… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …se-url https://example-resource.services.ai.azure.com/anthropic \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello!"}' \ --transform content ```… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …st-2.api.aws \ --workspace-id "$ANTHROPIC_AWS_WORKSPACE_ID" \ --model claude-sonnet-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello!"}' \ --transform content ```… effort Claude Developer Platform · in the page build-with-claude/effort …dium" } }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 4096 \ --output-config '{effort: medium}' \ --message '{role: user, content: "Ana… fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …request (may be refused) response=$(ant beta:messages create \ --model claude-fable-5 \ --max-tokens 1024 \ --message '{"role":"user","content":"Hello, Claude"}' \ --beta fallback-c… files Claude Developer Platform · in the page build-with-claude/files …he file contents directly into the field. ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --transform 'content.#(type=="text").text' \ --raw-output <<'YAML' messa… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …| .text) else . end' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello!"}' \ --format json | jq 'if .stop… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …rd?"} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --system "Always respond in French, regardless of the language the user writes… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …-d @request.json ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --transform content \ --format yaml <<'YAML' messages: - role: user… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …ey?"} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --system "You are a helpful coding assistant specializing in Python." \ --… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …jq -r '.model' ``` ```bash CLI ant beta:messages create \ --model claude-fable-5 \ --max-tokens 1024 \ --message '{"role":"user","content":"Hello, Claude"}' \ --fallbacks defau… streaming Claude Developer Platform · in the page build-with-claude/streaming …up> ```bash CLI ant messages create --stream --format jsonl \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello"}' \ | jq -rj 'select(.delta.type?… thinking Claude Developer Platform · in the page build-with-claude/thinking …} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-4-8 \ --max-tokens 16000 \ --thinking '{type: adaptive, display: summarized}' \ --message '{role:… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …}] }' ``` ```bash CLI ant messages count-tokens \ --model claude-opus-5 \ --system "You are a scientist" \ --message '{role: user, content: "Hello, Claude"}' ``` ```py… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …ude"} ] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```python Python… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …harp, go, java, php, ruby"> ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{"role": "user", "content": "Hello, Claude"}' ``` ```python Py… On a remote host without a browser: Claude Developer Platform · in the page cli-sdks-libraries/cli/authentication …```bash CLI ant messages create \ --workspace-id wrkspc_01... \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ## Check authentication st… quickstart Claude Developer Platform · in the page cli-sdks-libraries/cli/quickstart …om/docs/en/api/cli/messages/create): ```bash ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```text Output wrap { "m… using Claude Developer Platform · in the page cli-sdks-libraries/cli/using …fferent schema version). ```bash ant models list ant messages create --model claude-opus-5 --max-tokens 1024 ... ant beta:agents retrieve --agent-id agent_01... ant beta:sessions:events list --sessio… get-started Claude Developer Platform · in the page get-started …erminal: ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1000 \ --message '{ role: user, content: "What sh… authentication Claude Developer Platform · in the page manage-claude/authentication …ges create \ --workspace-id wrkspc_01JwQvzr7rXLA5AGx3HKfFUJ \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```python Python… data-residency Claude Developer Platform · in the page manage-claude/data-residency …nt." }] }' ``` ```bash CLI ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --inference-geo us \ --message '{role: user, content: "Summarize the key p… rate-limits-api Claude Developer Platform · in the page manage-claude/rate-limits-api …-06-01" ``` ```bash CLI ant beta:organization:rate-limits list --model claude-opus-5 ``` ```python Python client = anthropic.Anthropic() rate_limits = client.beta.organization.rate_li… aws Claude Developer Platform · in the page manage-claude/wif-providers/aws …ORKSPACE_ID are read from the environment ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello from AWS"}' ``` ```php PHP use… Create the app registration that represents the Claude API audience. Claude Developer Platform · in the page manage-claude/wif-providers/azure …RKSPACE_ID are read from the environment. ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello from Azure"}' ``` </CodeGroup> ###… gcp Claude Developer Platform · in the page manage-claude/wif-providers/gcp …RKSPACE_ID are read from the environment. ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello from Cloud Run"}' ``` ```php PHP… github-actions Claude Developer Platform · in the page manage-claude/wif-providers/github-actions …_TOKEN_FILE # from the job environment. ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```php PHP use A… kubernetes Claude Developer Platform · in the page manage-claude/wif-providers/kubernetes …ACE_ID, and ANTHROPIC_IDENTITY_TOKEN_FILE ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```php PHP use A… okta Claude Developer Platform · in the page manage-claude/wif-providers/okta …ITY_TOKEN_FILE and performs the exchange. ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ```php PHP use A… Replace NODE_UID with the node's UID: Claude Developer Platform · in the page manage-claude/wif-providers/spiffe …T_ID, and ANTHROPIC_WORKSPACE_ID. ant messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' ``` ``… workspaces Claude Developer Platform · in the page manage-claude/workspaces …ull hides the JSON body on stdout ant --debug messages create \ --model claude-opus-5 \ --max-tokens 1024 \ --message '{role: user, content: "Hello, Claude"}' > /dev/null ``` ```pyt… reduce-latency Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/reduce-latency …sitive applications, use Claude Haiku 4.5 ant messages create \ --model claude-haiku-4-5 \ --max-tokens 100 \ --message '{"role": "user", "content": "Summarize this customer feedback in… Manage multiple agents with agent view Claude Code CLI · in the page agent-view …override the dispatch default for the whole agent view session, pass `--model` when opening agent view. See [Permission mode, model, and effort](#permission-mode-model-and-effort). To change the disp… Claude Code on Amazon Bedrock Claude Code CLI · in the page amazon-bedrock …ge which model carries them: * When you select a primary model with `--model`, `ANTHROPIC_MODEL`, or the `model` setting, background tasks use that model. When Claude Code starts the session on the m… Claude Code changelog Claude Code CLI · in the page changelog …les * Added org-configured model restrictions to the model picker, `--model`, `/model`, and `ANTHROPIC_MODEL`, with a "restricted by your organization's settings" message when a restricted model is… CLI reference Claude Code CLI · in the page cli-reference …o includes completed background sessions). Pass `--permission-mode`, `--model`, `--effort`, or `--agent` to set [defaults for dispatched sessions](/docs/en/agent-view#permission-mode-model-and-effort)… Desktop application Claude Code CLI · in the page desktop …---------------------------------------------------------------- | | `--model sonnet` | Model dropdown next to the send button… Environment variables Claude Code CLI · in the page env-vars …interacts with CLI flags and in-session commands varies per feature: `--model` and `/model` override `ANTHROPIC_MODEL`, while `CLAUDE_CODE_EFFORT_LEVEL` overrides `/effort`. When a variable interacts… Error reference Claude Code CLI · in the page errors …s available to your account. * **Non-interactive mode (`-p`)**: pass `--model` with a valid alias or ID, or set [`ANTHROPIC_MODEL`](/docs/en/env-vars). The error text shows `Run --model` on this surfa… Claude Code GitHub Actions Claude Code CLI · in the page github-actions …erday's commits and open issues" claude_args: | --model claude-opus-4-8 --allowedTools "mcp__github__list_commits,mcp__github__list_issues" ``` ## Best practices ##… Use Claude Code GitHub Actions with cloud providers Claude Code CLI · in the page github-actions-cloud-providers …use_bedrock: "true" claude_args: '--model us.anthropic.claude-sonnet-4-6' ``` <Tip> Bedrock model IDs include a cross-region inference pr…