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50 pages for xhigh.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it. Cut at 50, so a narrower query shows the rest.
choosing-a-model
Claude Developer Platform · in the page
about-claude/models/choosing-a-model
…own based on your evals. On Claude Opus 4.8 and Claude Opus 4.7, the `xhigh` effort level, between `high` and `max`, is the best setting for most coding and agentic use cases. Knowing these answers i…
Or, for the model with the same capabilities and no access approval requirement:
Claude Developer Platform · in the page
about-claude/models/migration-guide
…4.8, the recommendation for coding and high-autonomy work is to set `xhigh` explicitly. On `claude-fable-5` and `claude-mythos-5`, use `high` as the default for most tasks and reserve `xhigh` for the…
optimizing-for-cost-and-intelligence
Claude Developer Platform · in the page
about-claude/models/optimizing-for-cost-and-intelligence
…et `max_tokens` to 64,000 for agentic work (128,000, the maximum, at `xhigh` or `max` effort), [stream responses](https://platform.claude.com/docs/en/build-with-claude/streaming) that large, treat [`s…
claude-api-skill
Claude Developer Platform · in the page
agents-and-tools/agent-skills/claude-api-skill
…target model (for example, the default `high` on Claude Opus 5, and `xhigh` for coding and agentic use cases on Claude Opus 4.8 and Claude Opus 4.7) * **Prompt-behavior tuning**, flagging length-cont…
Beta
Claude Developer Platform · in the page
api/beta
…Whether this capability is supported by the model. - `xhigh: BetaCapabilitySupport or null` Indicates whether a capability is supported. - `image_input: BetaCapabilitySup…
Agents
Claude Developer Platform · in the page
api/beta/agents
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `BetaManagedAgentsEffortLow object` Low effort. Favors latency over reasoning depth.…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…ing depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManagedAgents…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `BetaManagedAgentsEffortLow object` Low effort. Favors latency over reasoning depth.…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…ing depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManagedAgents…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…ing depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManagedAgents…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `BetaManagedAgentsEffortLow object` Low effort. Favors latency over reasoning depth.…
Versions
Claude Developer Platform · in the page
api/beta/agents/versions
…ing depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManagedAgents…
List Agent Versions
Claude Developer Platform · in the page
api/beta/agents/versions/list
…ing depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManagedAgents…
Messages
Claude Developer Platform · in the page
api/beta/messages
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional BetaJSONOutputFormat or null` A schema to specify Claude's output f…
Batches
Claude Developer Platform · in the page
api/beta/messages/batches
…"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional BetaJSONOutputFormat or null` A schema to specify Claud…
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional BetaJSONOutputFormat or null` A schema to specify Claud…
Count tokens in a Message
Claude Developer Platform · in the page
api/beta/messages/count_tokens
…ort levels. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional BetaJSONOutputFormat or null` A schema to specify Claude's output format in res…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional BetaJSONOutputFormat or null` A schema to specify Claude's output f…
Models
Claude Developer Platform · in the page
api/beta/models
…Whether this capability is supported by the model. - `xhigh: BetaCapabilitySupport or null` Indicates whether a capability is supported. - `image_input: BetaCapabilitySup…
List Models
Claude Developer Platform · in the page
api/beta/models/list
…Whether this capability is supported by the model. - `xhigh: BetaCapabilitySupport or null` Indicates whether a capability is supported. - `image_input: BetaCapabilitySup…
Get a Model
Claude Developer Platform · in the page
api/beta/models/retrieve
…Whether this capability is supported by the model. - `xhigh: BetaCapabilitySupport or null` Indicates whether a capability is supported. - `image_input: BetaCapabilitySup…
Sessions
Claude Developer Platform · in the page
api/beta/sessions
…"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `BetaManagedAgentsEffortLow object` Low effort. Favors latency over reaso…
Archive Session
Claude Developer Platform · in the page
api/beta/sessions/archive
…depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManaged…
Create Session
Claude Developer Platform · in the page
api/beta/sessions/create
…"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `BetaManagedAgentsEffortLow object` Low effort. Favors latency over reaso…
Events
Claude Developer Platform · in the page
api/beta/sessions/events
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
List Events
Claude Developer Platform · in the page
api/beta/sessions/events/list
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
Stream Events
Claude Developer Platform · in the page
api/beta/sessions/events/stream
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
List Sessions
Claude Developer Platform · in the page
api/beta/sessions/list
…depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManaged…
Get Session
Claude Developer Platform · in the page
api/beta/sessions/retrieve
…depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManaged…
Threads
Claude Developer Platform · in the page
api/beta/sessions/threads
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
Archive Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/archive
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
List Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/list
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
Stream Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/stream
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
List Session Threads
Claude Developer Platform · in the page
api/beta/sessions/threads/list
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
Get Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/retrieve
…h. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaM…
Update Session
Claude Developer Platform · in the page
api/beta/sessions/update
…depth. - `type: "high"` - `BetaManagedAgentsEffortXhigh object` Extra-high effort. Not all models accept this level. - `type: "xhigh"` - `BetaManaged…
Messages
Claude Developer Platform · in the page
api/messages
…ort levels. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional JSONOutputFormat or null` A schema to specify Claude's output format in respons…
Batches
Claude Developer Platform · in the page
api/messages/batches
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional JSONOutputFormat or null` A schema to specify Claude's output forma…
Create a Message Batch
Claude Developer Platform · in the page
api/messages/batches/create
…- `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional JSONOutputFormat or null` A schema to specify Claude's output forma…
Count tokens in a Message
Claude Developer Platform · in the page
api/messages/count_tokens
…ort levels. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional JSONOutputFormat or null` A schema to specify Claude's output format in respons…
Create a Message
Claude Developer Platform · in the page
api/messages/create
…ort levels. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `format: optional JSONOutputFormat or null` A schema to specify Claude's output format in respons…
Models
Claude Developer Platform · in the page
api/models
…Whether this capability is supported by the model. - `xhigh: CapabilitySupport or null` Indicates whether a capability is supported. - `image_input: CapabilitySupport`…
List Models
Claude Developer Platform · in the page
api/models/list
…Whether this capability is supported by the model. - `xhigh: CapabilitySupport or null` Indicates whether a capability is supported. - `image_input: CapabilitySupport`…
Get a Model
Claude Developer Platform · in the page
api/models/retrieve
…Whether this capability is supported by the model. - `xhigh: CapabilitySupport or null` Indicates whether a capability is supported. - `image_input: CapabilitySupport`…
effort
Claude Developer Platform · in the page
build-with-claude/effort
…t possible reasoning and most thorough analysis | | `xhigh` | Extended capability for long-horizon work. Available on Claude Fable 5, Claude Mythos 5, Claude Opus 5, Claude Opus 4.8,…
mid-conversation-effort-example
Claude Developer Platform · in the page
build-with-claude/mid-conversation-effort-example
…/platform.claude.com/docs/en/build-with-claude/effort) value such as `xhigh`. There is no hidden level above the ones on that page. This example sets effort at the top level of each request, which nee…
prompting-claude-fable-5
Claude Developer Platform · in the page
build-with-claude/prompt-engineering/prompting-claude-fable-5
…st on Claude Fable 5. Use `high` as the default for most tasks, with `xhigh` for the most capability-sensitive workloads and `medium` or `low` for routine work. Lower effort settings on Claude Fable 5…
prompting-claude-opus-4-8
Claude Developer Platform · in the page
build-with-claude/prompt-engineering/prompting-claude-opus-4-8
…ding off capability for faster speed and lower costs. Start with the `xhigh` effort level for coding and agentic use cases, and use a minimum of `high` effort for most intelligence-sensitive use cases…
prompting-claude-opus-5
Claude Developer Platform · in the page
build-with-claude/prompt-engineering/prompting-claude-opus-5
…token cost and response time wherever quality holds, and step up to `xhigh` for demanding coding and agentic work. If you carried effort defaults over from a prior model, re-run an effort sweep on yo…