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Top picks for SQL Generation (2026)

Writing correct, performant SQL from natural-language prompts. Ranked from 334 live models on the OpenRouter catalog, weighted for reasoning quality, structured output, tool calling.

What this is Ranked by capability match + real benchmark scores (Aider Polyglot, Artificial Analysis Intelligence Index) + live pricing. Models need the right specs for SQL Generation, then benchmark performance refines the order. Full methodology →
#ModelScoreIn / 1MOut / 1MContext
1 Anthropic: Claude Sonnet 4.6anthropic/claude-sonnet-4.6 184 $3.00 $15.00 1,000,000 Details →
2 Anthropic: Claude Opus 4.7anthropic/claude-opus-4.7 181 $5.00 $25.00 1,000,000 Details →
3 OpenAI: GPT-5.4openai/gpt-5.4 174 $2.50 $15.00 1,050,000 Details →
4 Z.ai: GLM 5.2z-ai/glm-5.2 173 $1.00 $4.00 1,048,576 Details →
5 DeepSeek: DeepSeek V4 Prodeepseek/deepseek-v4-pro 172 $0.43 $0.87 1,048,576 Details →
6 Anthropic: Claude Opus 4.8anthropic/claude-opus-4.8 170 $5.00 $25.00 1,000,000 Details →
7 DeepSeek: DeepSeek V4 Flashdeepseek/deepseek-v4-flash 169 $0.09 $0.18 1,048,576 Details →
8 Google: Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview 168 $2.00 $12.00 1,048,576 Details →
9 Google: Gemini 3.5 Flashgoogle/gemini-3.5-flash 168 $1.50 $9.00 1,048,576 Details →
10 MoonshotAI: Kimi K2.6moonshotai/kimi-k2.6 167 $0.66 $3.50 262,144 Details →
11 MiniMax: MiniMax M3minimax/minimax-m3 167 $0.30 $1.20 1,048,576 Details →
12 OpenAI: GPT-5.5openai/gpt-5.5 167 $5.00 $30.00 1,050,000 Details →
13 Xiaomi: MiMo-V2.5-Proxiaomi/mimo-v2.5-pro 165 $0.43 $0.87 1,048,576 Details →
14 Qwen: Qwen3.7 Maxqwen/qwen3.7-max 164 $1.25 $3.75 1,000,000 Details →
15 OpenAI: GPT-5.4 Miniopenai/gpt-5.4-mini 164 $0.75 $4.50 400,000 Details →

How we ranked these

For SQL Generation, we weight models on reasoning quality, structured output, tool calling. Scores combine each model's public specs with independent benchmark results (Aider Polyglot coding scores, Artificial Analysis intelligence/coding/agentic indices) and live pricing. See full methodology →

About SQL Generation

SQL generation is the task of converting natural-language requests into executable SQL queries that return correct results. You need this when you're building query interfaces, data exploration tools, or automating report generation without manual SQL writing. A strong model understands schema relationships, generates syntactically valid queries, and avoids N+1 patterns or unnecessary table scans. Weak models hallucinate column names, miss join conditions, or produce queries that run for minutes instead of seconds. Cost matters here: running a generated query against a 100M row table is expensive if the model didn't add appropriate WHERE clauses, so filtering happens on the model side before execution, not in post-processing.

When to use: Use this when a non-technical user needs to ask questions about a database ("Show me sales from last quarter") and you want an AI to write the actual SQL instead of building dozens of manual templates.

Common questions

What is the difference between a good and bad SQL generation model?

A good model knows your specific schema, understands which joins are efficient, and avoids generating queries that will timeout. Bad models produce syntactically correct SQL that either returns wrong results or scans every row unnecessarily. Claude 3.5 Sonnet and GPT-4 perform well here when given clear schema documentation, but even they need constraints on output format (no CTEs unless critical, prefer indexed columns in WHERE clauses).

How much does it actually cost to use AI for SQL generation at scale?

Model cost is negligible (a few cents per query), but execution cost dominates. One poorly generated query on a production database can cost you more in compute than a thousand model calls. Always validate generated queries on small datasets first, use query explain plans, and set execution timeouts before running against production tables.

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