AI for Blockchain

255 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.

How we rank: composite score (benchmark scores 90%, capabilities 5%, context window 5%) adjusted with use-case-specific capability bonuses.

#1 for Blockchain

Claude Fable 5.1

Anthropic

Best Budget

GPT-5.6 Luna Pro (batch)

255

Total Ranked

255

Reasoning

250

128K+ Context

243

JSON Mode

Blockchain AI - Ranked by Web3 Score

#	Model	Provider	Score	$/1M Out	Context
1	Claude Fable 5.1Anthropic	Anthropic	96	$50.00	1M
2	Claude Fable 5.1 (batch)Anthropic	Anthropic	96	$25.00	1M
3	Claude Fable 5Anthropic	Anthropic	96	$50.00	1M
4	Claude Fable 5 (batch)Anthropic	Anthropic	96	$25.00	1M
5	Claude Opus 5.5Anthropic	Anthropic	95	$20.00	1M
6	Claude Opus 5Anthropic	Anthropic	95	$25.00	1M
7	Claude Opus 4.8Anthropic	Anthropic	95	$25.00	1M
8	Claude Opus 4.7Anthropic	Anthropic	95	$25.00	1M
9	GPT-5.5 ProOpenAI	OpenAI	93	$180.00	1.1M
10	GPT-5.5 Pro (batch)OpenAI	OpenAI	93	$90.00	1.1M
11	GPT-5.5OpenAI	OpenAI	93	$30.00	1.1M
12	Gemini 3.1 Pro Preview Custom ToolsGoogle	Google	92	$12.00	1.0M
13	Gemini 3.1 Pro PreviewGoogle	Google	92	$12.00	1.0M
14	Gemini 3.1 Pro Preview (batch)Google	Google	92	$6.00	1.0M
15	GPT-5.4 ProOpenAI	OpenAI	92	$180.00	1.1M
16	GPT-5.4 Pro (batch)OpenAI	OpenAI	92	$90.00	1.1M
17	GPT-5.4OpenAI	OpenAI	92	$15.00	1.1M
18	GPT-5.3-CodexOpenAI	OpenAI	91	$14.00	400K
19	GPT-5.2-CodexOpenAI	OpenAI	91	$14.00	400K
20	GPT-5.2 ProOpenAI	OpenAI	91	$168.00	400K
21	GPT-5.2 Pro (batch)OpenAI	OpenAI	91	$84.00	400K
22	GPT-5.2OpenAI	OpenAI	91	$14.00	400K
23	Claude Opus 4.6Anthropic	Anthropic	90	$25.00	1M
24	GPT-5.6 Luna ProOpenAI	OpenAI	89	$1.20	1.1M
25	GPT-5.6 Luna Pro (batch)OpenAI	OpenAI	89	$0.60	1.1M
26	GPT-5.6 LunaOpenAI	OpenAI	89	$1.20	1.1M
27	GPT-5.6 Luna (batch)OpenAI	OpenAI	89	$0.60	1.1M
28	GPT-5.6 Terra ProOpenAI	OpenAI	89	$12.00	1.1M
29	GPT-5.6 Terra Pro (batch)OpenAI	OpenAI	89	$6.00	1.1M
30	GPT-5.6 TerraOpenAI	OpenAI	89	$12.00	1.1M

AI for Web3 Development

Smart Contract Development

Write Solidity, Vyper, and Move smart contracts. Large context models understand entire protocol codebases for consistent, secure contract implementation.

Security Auditing

Reasoning models identify reentrancy, overflow, and access control vulnerabilities. Chain-of-thought analysis provides detailed audit reports with remediation steps.

DeFi Protocol Design

Design tokenomics, liquidity mechanisms, and governance structures. JSON mode generates ABI definitions and contract interface specifications.

Frontend & Integration

Build dApp frontends with ethers.js/wagmi, integrate wallet connectors, and create transaction builders. Function calling helps test contract interactions.

Best for Coding Cybersecurity Finance Reasoning Web Development LLM Leaderboard Mobile Dev Game Dev Embedded ML Developers

Frequently Asked Questions

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.