Claude Sonnet 4 vs Claude Opus 4.6: Pricing Comparison

Compare pricing, capabilities, and costs for your LLM workloads.

Anthropic

Claude Sonnet 4

Pricing (per 1M tokens)

Input$3.00
Output$15.00
Cached Input$0.3000
Batch Input$1.50
Batch Output$7.50

Context & Output

Context Window200K tokens
Max Output64K tokens

Capabilities

Categorymid
Multimodaltext + image
Fine-tuningNo
StreamingYes

Anthropic

Claude Opus 4.6

Pricing (per 1M tokens)

Input$5.00
Output$25.00
Cached Input$0.5000
Batch Input$2.50
Batch Output$12.50

Context & Output

Context Window200K tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

Claude Sonnet 4

40.0% cheaper

Cheaper Output Price

Claude Sonnet 4

40.0% cheaper

Larger Context Window

Claude Opus 4.6

+0 tokens

Cost Comparison

Sample workload: 1,000,000 input tokens + 1,000,000 output tokens

Claude Sonnet 4

$18.00

$3.00/1M input + $15.00/1M output

Claude Opus 4.6

$30.00

$5.00/1M input + $25.00/1M output

Claude Sonnet 4 is 40.0% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, Claude Sonnet 4 or Claude Opus 4.6?
For input tokens, Claude Sonnet 4 is cheaper at $3.00 per 1M tokens. For output tokens, Claude Sonnet 4 is cheaper at $15.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Claude Sonnet 4 vs Claude Opus 4.6?
Claude Sonnet 4 has a context window of 200K tokens, while Claude Opus 4.6 has 200K tokens. Claude Sonnet 4 supports a larger context window of 200K tokens, which is beneficial for processing longer documents.
How do Claude Sonnet 4 and Claude Opus 4.6 compare for batch processing?
Both models support batch processing with discounted rates. Claude Sonnet 4 offers a better batch rate at $1.50 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.

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