Side-by-side comparison

Pick up to 4 models. Differences are what matter for picking.

Models
Spec
Anthropic
Claude Opus 4.5
Verified 2026-04-15
DescriptionAnthropic's most capable model. Best-in-class for agentic coding and tool use.
Released2025-11-24
Knowledge cutoff2025-07
Context window200K
Max output64K
Input $/1M$5.00
Output $/1M$25.00
Speed tierStandard
Reasoning5/5
Coding5/5
Multilingual5/5
Modalities in
Text
Vision
Modalities out
Text
Tool useYes
JSON modeYes
Open weightsNo
Best use cases
Coding
Agents
Reasoning
Long Context
Structured Output
Creative
Best personas
Enterprise
Developer Tools
Regulated Industry
Creative Pro
Weak at
  • · cheapest-per-token workloads
Compliance
HIPAA-eligibleSOC 2GDPRISO 27001FedRAMPHIPAA via BAA on Anthropic API and AWS Bedrock; FedRAMP High via Bedrock.
Data policyAPI data is not used to train models by default.
Sources
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