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 |
|---|---|
| Description | Anthropic's most capable model. Best-in-class for agentic coding and tool use. |
| Released | 2025-11-24 |
| Knowledge cutoff | 2025-07 |
| Context window | 200K |
| Max output | 64K |
| Input $/1M | $5.00 |
| Output $/1M | $25.00 |
| Speed tier | Standard |
| Reasoning | 5/5 |
| Coding | 5/5 |
| Multilingual | 5/5 |
| Modalities in | Text Vision |
| Modalities out | Text |
| Tool use | Yes |
| JSON mode | Yes |
| Open weights | No |
| Best use cases | Coding Agents Reasoning Long Context Structured Output Creative |
| Best personas | Enterprise Developer Tools Regulated Industry Creative Pro |
| Weak at |
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| Compliance | HIPAA-eligibleSOC 2GDPRISO 27001FedRAMPHIPAA via BAA on Anthropic API and AWS Bedrock; FedRAMP High via Bedrock. |
| Data policy | API data is not used to train models by default. |
| Sources |
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