Claude · Flagship · 1,000K context window
$0.1200 per call at 4,000 input / 4,000 output tokens.
Per call
$0.1200
10K calls/mo
$1,200
Cache savings
90% off input
Batch savings
50% off all
Adjust token counts, volume, and discount toggles to model your code refactoring spend. Prices verified daily against provider pricing pages.
Call Claude Opus 5 with the Anthropic Python SDK:
from anthropic import Anthropic
client = Anthropic()
response = client.messages.create(
model="claude-opus-5",
max_tokens=4000,
messages=[{"role": "user", "content": "Your prompt here"}]
)
# Cost: ~$0.1200 per call at standard rates
# Input: $5.00/MTok
# Output: $25.00/MTokPer-call cost for all models scoring 50+ on code refactoring benchmarks. Hover for details.
Cheapest viable option: Claude Sonnet 5 at $0.0480/call (60% less, 93/100 quality).
Refactoring sends existing code and gets a rewritten version back, so input and output are roughly symmetric, unusual for a code task. That symmetry means neither rate dominates and total cost tracks the size of the file. The practical lever is scope: refactoring one module per call rather than a whole package keeps you off the long-context pricing tier, where some providers re-rate the entire request.
For Claude Opus 5 specifically, that means output tokens cost 5.0x more than input, at $25.00 vs $5.00 per MTok. At this use case’s 4,000/4,000 token split, output accounts for 83% of the $0.1200 per-call cost.
| Direction | $/MTok | Tokens per call |
|---|---|---|
| Input | $5.00 | 4,000 |
| Output | $25.00 | 4,000 |
Caching drops input cost from $5.00 to $0.50/MTok. For repeated system prompts, that saves $0.0180 per call.
Submit requests asynchronously and receive 50% off all token costs. This works best for offline pipelines where latency requirements are flexible.
| Monthly volume | Cost per call | Standard monthly | Cached monthly | You save with caching |
|---|---|---|---|---|
| 10,000 calls | $0.1200 | $1,200 | $1,020 | $180 |
| 50,000 calls | $0.1200 | $6,000 | $5,100 | $900 |
| 100,000 calls | $0.1200 | $12,000 | $10,200 | $1,800 |
| 500,000 calls | $0.1200 | $60,000 | $51,000 | $9,000 |
| 1,000,000 calls | $0.1200 | $120,000 | $102,000 | $18,000 |
Benchmark data for code refactoring is pending for Claude Opus 5. Test against your own evaluation suite before moving to production.
Claude Opus 5 scores by task type. Code Refactoring highlighted.
| Task type | Confidence score | Rank out of 20 |
|---|
Confidence scores are a third-party benchmark snapshot from week 29 of 2026. This snapshot is 8 weeks old, so treat the scores as directional and validate against your own evals.
9 models score 80+ on code refactoring benchmarks, sorted by input rate. Cheapest: Claude Sonnet 5 (60% less, 93/100 quality).
| Model | Provider | Input $/MTok | Output $/MTok | Quality | Per call | vs Claude |
|---|---|---|---|---|---|---|
| Claude Sonnet 5 | Claude | $2.00 | $10.00 | 93/100 | $0.0480 | 60% cheaper |
| GPT 5.6 Terra | GPT | $2.00 | $12.00 | 86/100 | $0.0560 | 53% cheaper |
| Gemini 3.1 Pro | Gemini | $2.00 | $12.00 | 86/100 | $0.0560 | 53% cheaper |
| GPT 5.4 | GPT | $2.50 | $15.00 | 84/100 | $0.0700 | 42% cheaper |
| Claude Sonnet 4.6 | Claude | $3.00 | $15.00 | 92/100 | $0.0720 | 40% cheaper |
| GPT 5.6 Sol | GPT | $4.00 | $20.00 | 94/100 | $0.0960 | 20% cheaper |
| Claude Opus 4.8 | Claude | $5.00 | $25.00 | 95/100 | $0.1200 | same cost |
| GPT 5.5 | GPT | $5.00 | $30.00 | 91/100 | $0.1400 | 17% more |
| Claude Fable 5 | Claude | $10.00 | $50.00 | 96/100 | $0.2400 | 100% more |
Provider
Claude
Tier
Flagship
Context
1,000K tokens
Released
Jul 2026
| Model | Tier | Input $/MTok | Output $/MTok | Context |
|---|---|---|---|---|
| Claude Opus 4.8 | Flagship | $5.00 | $25.00 | 200K |
| Claude Sonnet 4.6 | Mid-tier | $3.00 | $15.00 | 200K |
| Claude Haiku 4.5 | Fast / Budget | $1.00 | $5.00 | 200K |
| Claude Sonnet 5 | Mid-tier | $2.00 | $10.00 | 200K |
| Claude Fable 5.1 | Flagship | $10.00 | $50.00 | 1,000K |
| Claude Fable 5 | Flagship | $10.00 | $50.00 | 1,000K |
You can compare Claude Opus 5 head-to-head against any other model on our model comparison pages, or track how pricing has changed over time on the pricing history tracker.
See how Claude Opus 5 costs change across different workload types.
Code Generation
$0.1100/call
Unit Test Generation
$0.1400/call
SQL Generation
$0.0325/call
API Generation
$0.1650/call
Code Review
$0.0750/call
PR Review
$0.1150/call
Security Review
$0.0925/call
Bug Detection
$0.0750/call
Document Summarization
$0.0750/call
PDF Summarization
$0.1125/call
Meeting Notes
$0.0900/call
Email Summarization
$0.0275/call
Chatbot
$0.0350/call
RAG Pipeline
$0.0675/call
Customer Support Bot
$0.0400/call
FAQ Bot
$0.0275/call
Data Extraction
$0.0450/call
JSON Extraction
$0.0350/call
Invoice Parsing
$0.0250/call
Resume Parsing
$0.0325/call
Chain of Thought
$0.1400/call
Legal Analysis
$0.1500/call
Math Reasoning
$0.0825/call
Financial Analysis
$0.1400/call
Content Moderation
$0.005000/call
Sentiment Analysis
$0.005000/call
Categorization
$0.007750/call
Intent Detection
$0.004000/call
Copywriting
$0.0525/call
Blog Writing
$0.2050/call
Marketing Copy
$0.0790/call
Product Descriptions
$0.0400/call
A typical code refactoring call using Claude Opus 5 costs about $0.1200 per call. This estimate uses 4,000 input tokens and 4,000 output tokens at standard rates. Standard rates are $5.00 per million input tokens and $25.00 per million output tokens.
Our benchmark data does not yet include a code refactoring ranking for Claude Opus 5. We recommend testing it against your own evaluation criteria before production usage.
The most affordable model for code refactoring above 80/100 quality is Claude Sonnet 5. It comes from Claude at $2.00 per million input tokens. Output costs $10.00 per million tokens with a quality score of 93/100. Switching from Claude Opus 5 to Claude Sonnet 5 saves about 60% per API call.
Three strategies lower Claude Opus 5 costs for this task type effectively. Prompt caching gives a 90% discount on input tokens when reusing system prompts. The batch API gives 50% off all tokens for asynchronous processing workloads. Prompt optimization reduces token counts through more concise instructions and context windows. Combining caching with batching brings your cost from $0.1200 to about $0.006000 per call.
Claude has 6 other models alongside Claude Opus 5 today: Claude Opus 4.8 at $5.00/$25.00 per million tokens (flagship), Claude Sonnet 4.6 at $3.00/$15.00 per million tokens (mid-tier), Claude Haiku 4.5 at $1.00/$5.00 per million tokens (fast / budget), Claude Sonnet 5 at $2.00/$10.00 per million tokens (mid-tier), Claude Fable 5.1 at $10.00/$50.00 per million tokens (flagship), Claude Fable 5 at $10.00/$50.00 per million tokens (flagship). The right choice depends on whether your code refactoring workload prioritizes quality, cost, or speed.
Claude Opus 5 supports a context window of 1,000K tokens per API call. This sets the maximum combined length of your input prompt and generated response. For code refactoring, typical calls use 4,000 input and 4,000 output tokens. That is well within this limit, leaving room for longer prompts or multi-turn conversations.
This calculator estimates costs based on published rates only. Connect your API usage to see where your money goes and which models drive your spend.