Best AI models for coding
The models with the best LLM Stats coding index, with what each costs per million tokens.
- 01Claude Opus 5.5Anthropic51.0Coding
- 02Claude Sonnet 5.5Anthropic48.7Coding
- 03GPT-6 AstraOpenAI46.7Coding
How it is calculated
- The indexes (overall, reasoning, coding) are the ones LLM Stats publishes; Codifly does not run these tests.
- Prices are each provider's official standard API prices, without caching or batching.
- The blended price weighs 3 input tokens per output token; cost-benefit divides the overall index by that price.
Which one fits your case?
The top of a ranking is not always the most cost-effective at your volume. Estimate your cost or ask us for a written recommendation.
Frequently asked questions
Which is the best AI model for coding?
Claude Opus 5.5 (51.0) leads this ranking, followed by Claude Sonnet 5.5 (48.7) · GPT-6 Astra (46.7). Data reviewed on Nov 4, 2026.
Which model in this ranking has the best price-performance?
Claude Haiku 5.5: 247.0 LLM Stats index points per dollar, at a blended price of $0.20 per million tokens.
How is this ranking calculated?
The indexes (overall, reasoning, coding) are the ones LLM Stats publishes; Codifly does not run these tests. Prices are each provider's official standard API prices, without caching or batching. The blended price weighs 3 input tokens per output token; cost-benefit divides the overall index by that price.
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