Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
Model details →Anthropic: Claude Opus 4.8 vs Anthropic Claude Sonnet Latest
Anthropic Claude Sonnet Latest wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 4.8 | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $5.00 | $2.00 | 🏆 Anthropic Claude Sonnet Latest |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $25.00 | $10.00 | 🏆 Anthropic Claude Sonnet Latest |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Opus 4.8 better than Anthropic Claude Sonnet Latest?
Anthropic Claude Sonnet Latest wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Opus 4.8 and Anthropic Claude Sonnet Latest?
Input: $5.00 vs $2.00 per 1M tokens. Output: $25.00 vs $10.00 per 1M tokens.
What context windows do Anthropic: Claude Opus 4.8 and Anthropic Claude Sonnet Latest support?
Anthropic: Claude Opus 4.8 supports up to 1M tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both Anthropic: Claude Opus 4.8 and Anthropic Claude Sonnet Latest support tool calling?
Anthropic: Claude Opus 4.8: yes. Anthropic Claude Sonnet Latest: yes.
Compare Anthropic: Claude Opus 4.8 with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest