Claude Opus 4.8

Anthropic
Model overview

claude-opus-4-8

Anthropic's Opus 4.8 version, which remains Active.

general LLMreasoningcodingvision-languageagentlong contextchatcode generationsoftware engineering agententerprise access
Representative version

claude-opus-4-8

CompanyAnthropic
Release2026-05-28
Release typeModel release
ParametersNot disclosed
ArchitectureNot disclosed
Context1,000,000 (OpenRouter)
Input modalitiestext / image
Output modalitiestext
Tool use / function callingConfirmed: Tool use
Structured output / reasoningConfirmed: Reasoning
Vision / audio / videoConfirmed: Vision
Open weights / LicenseNo open weights currently / weight license not disclosed
anthropic-claude-opus-4-8-current · License not applicable
Vendor APIAvailable
Introducing Claude Opus 4.8anthropic-claude-opus-4-8-current · 2026-05-28
OpenRouterOpenRouter listed
PricingOpenRouter · 2026-08-11: $5 / $25
input / output, per 1M tokens
BenchmarkNo reliable public source
Public signalsNo reliable public source
Use casesComplex reasoning / Long-horizon agentic coding / High-autonomy enterprise workflows / assistant chat
Claim evidenceRelease event / Model specificationsIntroducing Claude Opus 4.8claude-opus-4-8 · 2026-05-28 · Claude Opus 4.8 · claude-opus-4-8
Lifecycle statusAnthropic model deprecationsOfficial status: Active
OpenRouter context / capabilities / pricingOpenRouter public models APIanthropic/claude-opus-4.8 · 2026-08-11T06:28:09.895Z
OpenRouter

Pricing / context / availability

OpenRouterOpenRouter listed
OpenRouter listinganthropic/claude-opus-4.8
Mapped versionclaude-opus-4-8
anthropic-claude-opus-4-8-current
PricingOpenRouter · 2026-08-11: $5 / $25
input / output, per 1M tokens
Context1000000
Speed/LatencyNo reliable public source
Snapshot time2026-08-11T06:28:09.895Z
SourceView source
Source-bounded public ranking

OpenRouter weekly token-usage ranking

SourceModel / versionMetricRankValueCheckedLink
OpenRouterAnthropic: Claude Opus 4.8 0528
anthropic-claude-opus-4-8-current
Weekly token usage on OpenRouter public rankings API22538,526,300,578 tokens2026-08-11View source

OpenRouter weekly prompt-plus-completion token usage only; this is not a model-quality or whole-market ranking.

Verified limitations

Usage boundaries

  • Closed-source parameter counts are not officially disclosed.
  • Pricing is not duplicated here until a source-specific public pricing row is refreshed.
Missing public information

Public information not yet available

Parameter scale not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed