Provider guide
Best Anthropic Models in 2026
Anthropic's Claude lineup is strongest when you need careful reasoning, long context, and agentic coding. Opus 4.8 is the current flagship; Sonnet 5 is the balanced production pick.
| Model | Best for | Input $/M | Context | Coding | Reasoning |
|---|---|---|---|---|---|
| Claude Fable 5 | Long-running agents | $10 | 1M | 9.9 | 9.9 |
| Claude Opus 4.8 | Complex reasoning | $5 | 1M | 9.8 | 9.8 |
| Claude Sonnet 5 | Balanced performance | $3 | 1M | 9.6 | 9.5 |
| Claude Haiku 4.5 | Fast responses | $1 | 200K | 8.9 | 8.8 |
Fast picks
- Claude Opus 4.8 for complex reasoning, long-form analysis, agentic coding, and critical decisions
- Claude Sonnet 5 for balanced production workloads and cost-efficiency
- Claude Haiku 4.5 for low-latency support, routing, and sub-agent tasks