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Model family · Anthropic

Claude

Text-generation model family, distinct from Claude application plans.

Official-source research Sources checked 2026-10-21
Applications and interfaces are not necessarily underlying models. Prices retain their unit and scope; recheck before purchase. Historical or deprecated entries are documentation, not recommendations.

Models #

Name
Claude Fable 5.1
Version
claude-fable-5-1
Status
Listed in current official API catalog.
Source 1 ↗
Source review: 2026-10-21
Name
Claude Opus 5.5
Version
claude-opus-5-5
Status
Listed in current official API catalog.
Source 1 ↗
Source review: 2026-10-21
Name
Claude Sonnet 5.5
Version
claude-sonnet-5-5
Status
Listed in current official API catalog.
Source 1 ↗
Source review: 2026-10-21
Name
Claude Haiku 5.5
Version
claude-haiku-5-5
Status
Listed in current official API catalog.
Source 1 ↗
Source review: 2026-10-21

Products #

Name
Claude
Relationship
Web, desktop and mobile application; some Max plans include API credits, not unlimited API.
Ui access
Yes
Api access
Not established from reviewed sources
Source 4 ↗
Source review: 2026-10-21
Name
Claude API
Relationship
Metered developer service.
Ui access
No (as recorded; see scope and evidence)
Api access
Yes
Source 1 ↗
Source review: 2026-10-21

Capabilities #

Task
Text generation and tool use
Inputs
  • text
  • image
Outputs
  • text
Resolutions
Not established from reviewed sources
Formats
Not established from reviewed sources
Limitations
  • Current listed models: 1M context and 128K maximum output tokens.
  • Adaptive thinking differs by model.
Source 1 ↗
Source review: 2026-10-21

Pricing #

Scope
api
Model or product
claude-opus-5-5
Amount
4
Currency
USD
Unit
1M input tokens
Conditions
Standard API; tool fees excluded.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 2 ↗
Source review: 2026-10-21
Scope
api
Model or product
claude-opus-5-5
Amount
0.2
Currency
USD
Unit
1M cached input tokens
Conditions
Standard API; tool fees excluded.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 2 ↗
Source review: 2026-10-21
Scope
api
Model or product
claude-opus-5-5
Amount
20
Currency
USD
Unit
1M output tokens
Conditions
Standard API; tool fees excluded.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 2 ↗
Source review: 2026-10-21
Scope
api
Model or product
claude-sonnet-5-5
Amount
2
Currency
USD
Unit
1M input tokens
Conditions
Standard API; tool fees excluded.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 2 ↗
Source review: 2026-10-21
Scope
api
Model or product
claude-sonnet-5-5
Amount
0.1
Currency
USD
Unit
1M cached input tokens
Conditions
Standard API; tool fees excluded.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 2 ↗
Source review: 2026-10-21
Scope
api
Model or product
claude-sonnet-5-5
Amount
10
Currency
USD
Unit
1M output tokens
Conditions
Standard API; tool fees excluded.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 2 ↗
Source review: 2026-10-21
Scope
ui_subscription
Model or product
Claude Pro
Amount
20
Currency
USD
Unit
month
Conditions
Monthly billing; tax excluded; usage limits apply.
Checked at
2026-10-21
Tax status
Not normalized; consult linked provider terms/region before quoting a checkout total.
Source 4 ↗
Source review: 2026-10-21

Commercial use #

Summary
Commercial terms allow customer-facing services and assign output rights where legally permitted, subject to restrictions. They do not guarantee copyright or factual correctness.
Source 3 ↗
Source review: 2026-10-21

Privacy #

Summary
Commercial terms prohibit training on customer content and treat it as confidential. This is not a statement about consumer Claude accounts, which have separate terms.
Source 3 ↗
Source review: 2026-10-21

Contradictions #

Do not repeat obsolete blanket claim that Claude subscriptions never include API credits: current Max page advertises credits.
Source review: 2026-10-21

Unknowns #

Consumer training/retention policy not reviewed
Source review: 2026-10-21
Full cache-write and regional pricing not reproduced
Source review: 2026-10-21

Sources #

  1. Current model overview ↗

    Reviewed 2026-10-21 · Evidence status: official page read · Provider-owned source.

  2. API pricing ↗

    Reviewed 2026-10-21 · Evidence status: official page read · Provider-owned source.

  3. Commercial terms ↗

    Reviewed 2026-10-21 · Evidence status: official page read · Provider-owned source.

  4. Claude plans ↗

    Reviewed 2026-10-21 · Evidence status: official page read · Provider-owned source.