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ANTHROPIC / claude-opus-4-5-20251101

Claude Opus 4.5

Previous Opus version focused on code, agents, and computer use, retained for migration and historical comparison.

01 / SUMMARY

The essential

ORIENTATIONPrevious frontier · agents

Primary use stated or inferred cautiously from official documentation.

CONTEXT200.000 tokens

Maximum input capacity when published by the source.

EXITNot published

Documented maximum generation limit.

ACCESSClaude API and associated clouds

Verified availability channels.

MODEL TYPEText and reasoning · Code

Primary functional family and verified specialties.

LICENSEProprietary

Declared terms for API access, model weights, or self-hosting.

02 / TECHNICAL SHEET

Limits and integration

API IDclaude-opus-4-5-20251101
Model typeText and reasoning · Code
Access modelPaid proprietary
LicenseProprietary
DeploymentHosted API
Release24 NOV 2025
Knowledge cutoffNot published
EntranceText · Image
ExitText
Context window200.000 tokens
maximum outputNot published
ReasoningConfigurable effort
Published toolsUse of tools · Computer use
Structured OutingsNot applicable or not published
Batch processingNot published
Prompt cacheNot published
Fine-tuningNot published
Verified platformsClaude API · Amazon Bedrock · Google Cloud
BEST SUITED FOR

Audit regressions when migrating from the Claude 4 generation.

WORTH MONITORING

Check the retirement schedule and use current models for new projects.

03 / CAPABILITIES

What it can do

01

Orientation

Audit regressions when migrating from the Claude 4 generation.

02

Context

200,000 tokens · Not published

03

Tools and integration

Tool use · Computer use

04

Access

Claude API and associated clouds

Input modalities
TextImage
04 / PRICES

Documented cost

ConceptWorthUnit/condition
Standard inputNot publishedStandard API rate
Cached inputNot publishedReading reused prefixes
Cache write or storageNot publishedThe condition varies by provider
Standard outputNot publishedMay include reasoning tokens
Batch inputNot publishedAsynchronous processing
Batch outputNot publishedAsynchronous processing

Consult the primary source: the billing unit depends on the model type and access channel.

i Prices change and may depend on level, region or context length. Check the source before making a decision.

05 / EVALUATIONS

How to read the results

“

A public benchmark provides guidance, but does not replace an evaluation with your data, tools, budget, and error tolerance.

BenchmarkResultMetricSource
Evaluaciones Claude Opus 4.5PublishedCode, agents, and computerView source ↗

Inferama only highlights a “best result” when the metric, test set, configuration, and date allow for an equivalent comparison. The supplier's figures are presented as claims from its own source.

06 / VERSIONS

Chronology

Claude Opus 4.5

Version added to Inferama's verified catalog.

ANALYSIS

Related analysis

07 / SOURCES

Traceability