Alternatives to Claude Opus 4.5
Options that appear in the same research papers as Claude Opus 4.5, by co-occurrence.
| Alternative | Papers (with Claude Opus 4.5) | Avg viability |
|---|---|---|
| FAISS | 1 | — |
| GPT-4o | 1 | — |
| Gemini 2.5 Pro | 1 | — |
| RAG | 1 | — |
| Claude Code | 1 | — |
| Numina-Lean-MCP | 1 | — |
| Lean | 1 | — |
| Numina-Lean-Agent | 1 | — |
| Putnam 2025 | 1 | — |
| Claude Sonnet 4 | 1 | — |
| Claude Haiku 4.5 | 1 | — |
| GPT 5.1 | 1 | — |
| ReACT | 1 | — |
| Visual Studio Code | 1 | — |
| PyVul | 1 | — |
| SecurityEval | 1 | — |
| CWE | 1 | — |
| Tree-sitter | 1 | — |