Processing 2,500 lines of code (~28,000 tokens) with Claude Fable 5 costs $0.28 for codebase ingestion and $0.56 for an AI-powered code review and refactoring pass.
Quick answer
A 2,500 lines of code codebase is estimated at 28,000 tokens for Claude Fable 5. Ingestion costs $0.28; a review and refactoring pass with roughly 20% output costs about $0.56.
Method & trust
Code is estimated at a tokenizer-specific tokens-per-line ratio, then priced separately for repository context and generated review output. Comments, minified files, tests, and repeated context can materially change the bill.
Feed 2,500 lines of code into the prompt context for repository search, Q&A, or architecture planning.
Ingest 2,500 lines of code and generate audit findings, unit test recommendations, and refactor diffs.
Claude Fable 5 writes 2,500 lines of code from scratch based on product specifications.
| Model | Provider | Code Ingestion | Cached Ingestion | Code Review Cost | Context Limit |
|---|---|---|---|---|---|
| Claude Fable 5 (Current) | anthropic | $0.28 | $0.028 | $0.56 | 1,000,000 |
| GPT-5.6 Sol | openai | $0.1275 | $0.0128 | $0.2805 | 1,050,000 |
| GPT-5.6 Cyber | openai | $0.3188 | $0.0319 | $0.7012 | 1,050,000 |
| GPT-5.5 Standard | openai | $0.1275 | $0.0128 | $0.2805 | 512,000 |
| GPT-5.5 Pro | openai | $0.765 | $0.0765 | $1.683 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $0.51 | $0.051 | $0.918 | 1,000,000 |
On average, code yields approximately 11.2 tokens per line in Claude Fable 5 (claude_bpe tokenizer). Indentation, brackets, camelCase variable names, and comments slightly increase token density compared to plain English text. 2,500 lines of code produces approximately 28,000 tokens.
Sending 2,500 lines of code as context and generating a thorough code review with recommendations costs approximately $0.56. Utilizing prompt caching on repeat turns or static repository definitions drops this to $0.308.
Claude Fable 5 has a context window of 1,000,000 tokens. 2,500 lines of code consumes 2.80% of its total available context.