93 pages for claude-opus-4-8.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Create a Message
Claude Developer Platform · in the page
api/messages/create
…Powerful intelligence for long-running agents and coding - `"claude-opus-4-8"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-7"` Powerful intelligenc…
service-tiers
Claude Developer Platform · in the page
api/service-tiers
…\ -H "content-type: application/json" \ -d '{ "model": "claude-opus-4-8", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello, Claude!"}], "service_tier…
claude-in-amazon-bedrock
Claude Developer Platform · in the page
build-with-claude/claude-in-amazon-bedrock
…| `anthropic.claude-opus-4-8` | Open | | C…
claude-in-microsoft-foundry
Claude Developer Platform · in the page
build-with-claude/claude-in-microsoft-foundry
…| `claude-opus-4-8` | ✓ | ✓ | | Claude Opus 4.7…
google-managed
Claude Developer Platform · in the page
build-with-claude/claude-models-on-google-cloud/google-managed
…| `claude-opus-4-8` | | Claude Opus 4.7…
claude-platform-on-aws
Claude Developer Platform · in the page
build-with-claude/claude-platform-on-aws
…| `claude-opus-4-8` | | Claude Opus 4.7 | `cl…
sent_count = len(messages sent in the compaction request)
Claude Developer Platform · in the page
build-with-claude/compaction
…ble-5`, `claude-mythos-5`, `claude-mythos-preview`, `claude-opus-5`, `claude-opus-4-8`, `claude-opus-4-7`, `claude-opus-4-6`, `claude-sonnet-5`, `claude-sonnet-4-6` - Platforms: Claude API (beta), Cla…
compaction-background
Claude Developer Platform · in the page
build-with-claude/compaction-background
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6…
compaction-keep-recent-turns
Claude Developer Platform · in the page
build-with-claude/compaction-keep-recent-turns
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6…
compaction-on-demand
Claude Developer Platform · in the page
build-with-claude/compaction-on-demand
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6…
compaction-thinking-blocks
Claude Developer Platform · in the page
build-with-claude/compaction-thinking-blocks
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6…
compaction-threshold
Claude Developer Platform · in the page
build-with-claude/compaction-threshold
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6…
effort
Claude Developer Platform · in the page
build-with-claude/effort
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-opus-4-5-20251101 - claude-sonnet-5-5 - claude-so…
fallback-credit
Claude Developer Platform · in the page
build-with-claude/fallback-credit
…attempt = exact_body try: response = send("claude-opus-4-8", attempt) except BadRequestError as error: if "redemption temporarily unavailable" in error.messa…
fast-mode
Claude Developer Platform · in the page
build-with-claude/fast-mode
…). supportedModels: - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 supportedPlatforms: Claude API: availability: ga note: Includes [Claude Managed Agents](https://…
claude-prompting-best-practices
Claude Developer Platform · in the page
build-with-claude/prompt-engineering/claude-prompting-best-practices
…orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-opus-4-8) | Response length, effort and thinking-depth calibration, tool use triggering, literal instruction following,…
refusals-and-fallback
Claude Developer Platform · in the page
build-with-claude/refusals-and-fallback
…de-fable-5", "max_tokens": 1024, "fallbacks": [{"model": "claude-opus-4-8"}], "messages": [{"role": "user", "content": "Hello, Claude"}] }' ``` ```bash CLI ant beta:messag…
structured-outputs
Claude Developer Platform · in the page
build-with-claude/structured-outputs
…claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6…
task-budgets
Claude Developer Platform · in the page
build-with-claude/task-budgets
…- claude-mythos-5 - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-sonnet-5-5 - claude-haiku-5-5 --- Task budgets let you tell Claude how man…
API usage primer for Claude
Claude Developer Platform · in the page
claude_api_primer
…-sonnet-5`, adaptive thinking only, on by default) * Claude Opus 4.8 (claude-opus-4-8, adaptive thinking only) * Claude Opus 4.7 (`claude-opus-4-7`, adaptive thinking only) * Claude Opus 4.6 (`claude-…
rate-limits-api
Claude Developer Platform · in the page
manage-claude/rate-limits-api
…1101", "claude-opus-4-6", "claude-opus-4-7", "claude-opus-4-8" ], "limits": [ { "type": "requests_per_minute", "value": 4000 }, { "type": "input_tok…
dreams
Claude Developer Platform · in the page
managed-agents/dreams
…de-opus-5-5`, `claude-fable-5-1`, `claude-opus-5`, `claude-fable-5`, `claude-opus-4-8`, `claude-opus-4-7`, `claude-sonnet-5-5`, `claude-sonnet-5`, and `claude-sonnet-4-6` are supported. You can option…
Or, for Claude Mythos 5.1, which offers the same capabilities to verified organizations:
Claude Developer Platform · in the page
models/fable-5-1/migration-guide
…permitted fallback targets for Claude Fable 5.1 are Claude Opus 4.8 (`claude-opus-4-8`) and Claude Opus 5 (`claude-opus-5`). An explicit `fallbacks` list may name either. The fallback model doesn't re…
overview
Claude Developer Platform · in the page
models/opus-4-8/overview
…orm.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-4-8) Model ID: `claude-opus-4-8` Context window: 1M tokens · Max output: 128K tokens · Input pricing: $5 / MTok · Ou…
migration-guide
Claude Developer Platform · in the page
models/opus-5-5/migration-guide
…orm.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-4-8), [Claude Opus 4.7](https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus…
overview
Claude Developer Platform · in the page
release-notes/overview
…aged policy. ### May 28, 2026 * We've launched **Claude Opus 4.8** (claude-opus-4-8), our most capable model. Claude Opus 4.8 supports a [1M token context window](https://platform.claude.com/docs/en…
claude-fable-5
Claude Developer Platform · in the page
release-notes/system-prompts/claude-fable-5
…nnet 4.6, and Claude Haiku 4.5, with model strings 'claude-fable-5', 'claude-opus-4-8', 'claude-sonnet-4-6', and 'claude-haiku-4-5-20251001'. The person is able to switch models mid-conversation, so p…
claude-sonnet-5
Claude Developer Platform · in the page
release-notes/system-prompts/claude-sonnet-5
…Opus 4.8, Claude Sonnet 5, and Claude Haiku 4.5, with model strings 'claude-opus-4-8', 'claude-sonnet-5', and 'claude-haiku-4-5-20251001'. Above Opus sits Anthropic's new Mythos tier. The first Myth…
overview
Claude Developer Platform · in the page
release-notes/system-prompts/overview
…/docs/en/release-notes/system-prompts/claude-fable-5" /> <Card id="claude-opus-4-8" title="Claude Opus 4.8" icon="file" href="https://platform.claude.com/docs/en/release-notes/system-prompts/claude…
overview
Claude Developer Platform · in the page
resources/overview
…ude Opus 4.8 System Card" icon="file" href="https://www.anthropic.com/claude-opus-4-8-system-card"> Detailed documentation of Claude Opus 4.8. </Card> <Card title="Claude Opus 4.7 System Card…
Claude Code on Amazon Bedrock
Claude Code CLI · in the page
amazon-bedrock
…``bash theme={null} export ANTHROPIC_DEFAULT_OPUS_MODEL='us.anthropic.claude-opus-4-8' export ANTHROPIC_DEFAULT_SONNET_MODEL='us.anthropic.claude-sonnet-4-6' export ANTHROPIC_DEFAULT_HAIKU_MODEL='us.a…
Claude apps gateway for Amazon Bedrock, Claude Platform on AWS, Google Cloud, and Microsoft Foundry
Claude Code CLI · in the page
claude-apps-gateway
…re translated per upstream automatically. The built-in catalog # maps claude-opus-4-8 to us.anthropic.claude-opus-4-8 and so on for every # Bedrock-supported Claude model. Set false and add a `models:…
Claude apps gateway configuration
Claude Code CLI · in the page
claude-apps-gateway-config
…n model name upstream_model: bedrock-isolated: us.anthropic.claude-opus-4-8 # the only upstream that serves it ``` ##### Per-developer AWS cost attribution By default the gateway signs e…
Deploy Claude apps gateway on AWS
Claude Code CLI · in the page
claude-apps-gateway-on-aws
…`yaml theme={null} models: # Include the served model's id, such as claude-opus-4-8, in each id so the gateway's spend meter can price it. - id: platform-claude-opus-4-8 upstream_model:…
Claude Code on Claude Platform on AWS
Claude Code CLI · in the page
claude-platform-on-aws
…EFAULT_FABLE_MODEL=claude-fable-5 export ANTHROPIC_DEFAULT_OPUS_MODEL=claude-opus-4-8 export ANTHROPIC_DEFAULT_SONNET_MODEL=claude-sonnet-5 export ANTHROPIC_DEFAULT_HAIKU_MODEL=claude-haiku-4-5 ``` F…
Error reference
Claude Code CLI · in the page
errors
…nning on in the claude.ai admin console. ```text theme={null} Model "claude-opus-4-8" is restricted by your organization's settings. Using claude-sonnet-4-6 instead. ``` Typing `/model <name>` for a…
Claude Code on Google Cloud's Agent Platform
Claude Code CLI · in the page
google-vertex-ai
…c version: ```bash theme={null} export ANTHROPIC_DEFAULT_OPUS_MODEL='claude-opus-4-8' export ANTHROPIC_DEFAULT_SONNET_MODEL='claude-sonnet-5' export ANTHROPIC_DEFAULT_HAIKU_MODEL='claude-haiku-4-5@20…
Claude Code gateway compatibility guide
Claude Code CLI · in the page
llm-gateway-protocol
…s in requests by default | The provider's form, such as `us.anthropic.claude-opus-4-8` on Amazon Bedrock | Anthropic IDs, such as `claude-opus-4-8` | Anthropic IDs | | `anthropic-beta` values sent | T…
Claude Code on Microsoft Foundry
Claude Code CLI · in the page
microsoft-foundry
…Opus 4.8: ```bash theme={null} export ANTHROPIC_DEFAULT_OPUS_MODEL='claude-opus-4-8' export ANTHROPIC_DEFAULT_SONNET_MODEL='claude-sonnet-5' export ANTHROPIC_DEFAULT_HAIKU_MODEL='claude-haiku-4-5' `…
Model configuration
Claude Code CLI · in the page
model-config
…version) entry that maps the Anthropic model ID to your ID, such as `"claude-opus-4-8": "my-gateway-opus"`. You can instead list your ID in a [`modelPicker`](/docs/en/settings-reference#fields-for-mod…
All settings
Claude Code CLI · in the page
settings-reference
…{ "modelPicker": { "options": [ { "model": "us.anthropic.claude-opus-4-8", "label": "Opus (production)" }, { "model": "us.anthropic.claude-sonnet-4-6", "label": "Son…
Week 22 · May 25–29, 2026
Claude Code CLI · in the page
whats-new/2026-w22
…e model picker: ```text title="Claude Code" wrap theme={null} /model claude-opus-4-8 ``` [Model configuration](/docs/en/model-config.md#available-models) Dynamic workflows research preview A workf…
Configuration reference
Claude Documentation · in the page
third-party/claude-desktop/configuration
…son theme={null} > [{"name": "claude-sonnet-5", "supports1m": true}, "claude-opus-4-8"] > ``` > > `"claude-sonnet-5[1m]"` is shorthand for the same entry. When an ID is listed both bare and with `[1m]…