Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%), S…
Model details →Anthropic: Claude Sonnet 4 vs Relace: Relace Search
Relace: Relace Search wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
The relace-search model uses 4-12 `view_file` and `grep` tools in parallel to explore a codebase and return relevant files to the user request. In contrast to RAG, relace-search performs agentic multi-step reasoning to produce highly prec…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 4 | Relace: Relace Search | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 256K | 🏆 Relace: Relace Search |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $3.00 | $1.00 | 🏆 Relace: Relace Search |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $15.00 | $3.00 | 🏆 Relace: Relace Search |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Anthropic: Claude Sonnet 4 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Anthropic: Claude Sonnet 4 |
Frequently asked questions
Is Anthropic: Claude Sonnet 4 better than Relace: Relace Search?
Relace: Relace Search wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Sonnet 4 and Relace: Relace Search?
Input: $3.00 vs $1.00 per 1M tokens. Output: $15.00 vs $3.00 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 4 and Relace: Relace Search support?
Anthropic: Claude Sonnet 4 supports up to 200K tokens. Relace: Relace Search supports up to 256K tokens.
Do both Anthropic: Claude Sonnet 4 and Relace: Relace Search support tool calling?
Anthropic: Claude Sonnet 4: yes. Relace: Relace Search: yes.