182 models ranked for blockchain and Web3 development. Scored with heavy bonuses for reasoning (security auditing), large context (full contract analysis), JSON mode (ABI generation), and function calling.
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 4.7Anthropic | 95 |
| 2 | GPT-5.5OpenAI | 93 |
| 3 | Gemini 3.1 Pro Preview Custom ToolsGoogle | 92 |
| 4 | Gemini 3.1 Pro PreviewGoogle | 92 |
| 5 | GPT-5.4 ProOpenAI | 92 |
| 6 | GPT-5.4OpenAI | 92 |
| 7 | GPT-5.5 ProOpenAI | 91 |
| 8 | GPT-5.2 ProOpenAI | 91 |
| 9 | Claude Opus 4.6 (Fast)Anthropic | 90 |
| 10 | Claude Opus 4.6Anthropic | 90 |
| 11 | GPT-5.2-CodexOpenAI | 90 |
| 12 | GPT-5.2OpenAI | 90 |
| 13 | Grok 4.20xAI | 89 |
| 14 | GPT-5.3-CodexOpenAI | 89 |
| 15 | GPT-5 ProOpenAI | 89 |
| 16 | Gemini 3 Flash PreviewGoogle | 88 |
| 17 | Grok 4xAI | 88 |
| 18 | GPT-5.1-Codex-MaxOpenAI | 88 |
| 19 | GPT-5 CodexOpenAI | 88 |
| 20 | GPT-5OpenAI | 88 |
| 21 | GPT-5.1OpenAI | 87 |
| 22 | GPT-5.1-CodexOpenAI | 87 |
| 23 | GPT-5.1-Codex-MiniOpenAI | 87 |
| 24 | DeepSeek V4 ProDeepSeek | 87 |
| 25 | o3 Deep ResearchOpenAI | 87 |
| 26 | o3 ProOpenAI | 87 |
| 27 | o3OpenAI | 87 |
| 28 | Claude Sonnet 4.6Anthropic | 85 |
| 29 | Claude Opus 4.5Anthropic | 85 |
| 30 | Grok 4.20 Multi-AgentxAI | 88 |
Write Solidity, Vyper, and Move smart contracts. Large context models understand entire protocol codebases for consistent, secure contract implementation.
Reasoning models identify reentrancy, overflow, and access control vulnerabilities. Chain-of-thought analysis provides detailed audit reports with remediation steps.
Design tokenomics, liquidity mechanisms, and governance structures. JSON mode generates ABI definitions and contract interface specifications.
Build dApp frontends with ethers.js/wagmi, integrate wallet connectors, and create transaction builders. Function calling helps test contract interactions.
Yes, models with strong reasoning capabilities can write Solidity, Rust (Solana), and Move smart contracts, and identify common vulnerabilities like reentrancy attacks, integer overflow, and access control issues. Always pair AI audits with professional security reviews for production contracts.
Reasoning is essential for understanding complex contract logic and token economics. Function calling enables interaction with blockchain RPCs and explorers. JSON mode outputs ABI-compatible data structures. Large context handles entire protocol codebases.
Reasoning-capable models can analyze tokenomics, simulate yield strategies, and evaluate protocol risks. They process whitepapers, audit reports, and on-chain data to provide comprehensive DeFi assessments, though they should not be sole decision-makers for investments.
Models with web search capability can access current blockchain documentation, EIP proposals, and protocol updates. Without web search, models rely on training data which may be months behind the latest standards and best practices.