AnthropicClaude Opus 5

External Link

Claude Opus 5 is Anthropic's model for complex agentic coding and enterprise work.

Token context
1,000K tokens
Inputs
Text, Image
Outputs
Text
Released
Jul 24, 2026

Providers & Pricing

Estimate workload cost →
ProviderInput / 1MOutput / 1MCache read / 1MCache write / 1MObservedEvidence
$5.00$25.00——Sep 3, 2026Provider-reported
$5.00$25.00——Oct 19, 2026Provider-reported
$5.00$25.00$0.50—Oct 19, 2026Provider-reported
ARC-AGI-1verified-v1-613c385b0c9397.50percent——Claude Opus 5 (Max)unknownOriginal sourcewinner eligibleThird-party benchmark
ARC-AGI-2verified-v2-be40992860f990.42percent——Claude Opus 5 (Max)unknownOriginal sourcewinner eligibleThird-party benchmark
LiveBench2026-06-25-90f8d44da96583.44percent14,8261,271claude-opus-5-max-effortaverage per caseRecomputedwinner eligibleThird-party benchmark
LMArena Agent Arenaagent-2026-10-16-a64ca3b12b6e8.68score—23,770Claude Opus 5 (Max); 95% CI [6.99592257, 10.36856205]; sessions 23770; observations 3146528; rank 8unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Document Arenadocument-2026-09-13-a64ca3b12b6e1,516.27rating—8,794claude-opus-5-high; 95% CI [1509.24512533, 1523.28765667]; votes 8794; rank 1unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Search Arenasearch-2026-10-13-a64ca3b12b6e1,241.57rating—13,285claude-opus-5-high; 95% CI [1234.69644002, 1248.43868868]; votes 13285; rank 6unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e1,319.22rating—16,665claude-opus-5-high; 95% CI [1312.47954379, 1325.95953993]; votes 16665; rank 3unknownOriginal sourcewinner eligibleThird-party benchmark
ToneBench2026-10-17-10-task-e9c76358afb283.25points26,82050Claude Opus 5 (max effort)average per caseOriginal sourcenot winner eligibleThird-party benchmark
ToneBench2026-10-17-10-task-e9c76358afb282.57points16,22750Claude Opus 5 (high)average per caseOriginal sourcenot winner eligibleThird-party benchmark

At a Glance

Model Facts

Identity

Status
active
Developer ID
claude-opus-5
Released
Jul 24, 2026
Version
Claude Opus 5
License
Unknown

Capacity

Token context
1,000K tokens
Maximum output
128K tokens
Total parameters
Unknown
Active parameters
Unknown
Knowledge cutoff
Not reported

Interface and Access

Inputs
Text, Image
Outputs
Text
API available
Yes
Open weights
No
Self-hostable
No
Reasoning
Yes
Vision
Yes
Tool calling
Yes
Capabilities
chat, generation, reasoning, tools

This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.

Version Lineage

PredecessorUnknown
SuccessorsUnknown
Aliasesclaude-opus-5

Explicit Unknowns

  • Architecture
  • Tokenizer
  • Knowledge cutoff

Primary Evidence

Sources and Observation Date

Comparable Peers

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Questions

Claude Opus 5 FAQs

What is Claude Opus 5?+

Claude Opus 5 is Anthropic's model for complex agentic coding and enterprise work. It is developed by Anthropic and its current sourced lifecycle status is active.

What inputs and outputs does Claude Opus 5 support?+

Claude Opus 5's current record lists Text and Image as input and Text as output.

How much context does Claude Opus 5 support?+

The current record lists a 1,000K-token context window and a maximum output of 128K tokens.

Is Claude Opus 5 available through an API?+

Claude Opus 5 is marked as API-available. The directly sourced provider records currently include Anthropic, Deepinfra, and Openrouter.

How much does Claude Opus 5 cost through an API?+

The lowest directly sourced prices currently attached to Claude Opus 5 are $5.00 per million input tokens through Anthropic and $25.00 per million output tokens through Anthropic. Prices are provider-specific and should be checked against each cited observation date.

What capabilities and tasks does Claude Opus 5 support?+

Claude Opus 5's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are image and text.

Can Claude Opus 5 be self-hosted?+

Claude Opus 5 is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.

Does Claude Opus 5 have related versions or aliases?+

No predecessor is recorded. No successor is recorded. Recorded aliases are claude-opus-5.

Which models can Claude Opus 5 be compared with?+

The current compatible peer set includes Claude Fable 5.1, Claude Mythos 5.1, Claude Opus 5.5, Claude Haiku 4.5, and Claude Opus 4.8. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →

How current is the Model Markets record for Claude Opus 5?+

Claude Opus 5 was last verified Aug 28, 2026 from Anthropic's primary source, “Models overview | Claude Platform Docs.” The evidence is classified as official fact.

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