GPT-5.5 vs Claude Opus 4.6: Pricing Comparison

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

OpenAI

GPT-5.5

Pricing (per 1M tokens)

Input$5.00
Output$30.00
Cached Input$0.5000
Batch Input$2.50
Batch Output$15.00

Context & Output

Context Window1M tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
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 Opus 4.6

0.0% cheaper

Cheaper Output Price

Claude Opus 4.6

16.7% cheaper

Larger Context Window

GPT-5.5

+800K tokens

Cost Comparison

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

GPT-5.5

$35.00

$5.00/1M input + $30.00/1M output

Claude Opus 4.6

$30.00

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

Claude Opus 4.6 is 14.3% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-5.5 or Claude Opus 4.6?
For input tokens, Claude Opus 4.6 is cheaper at $5.00 per 1M tokens. For output tokens, Claude Opus 4.6 is cheaper at $25.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5.5 vs Claude Opus 4.6?
GPT-5.5 has a context window of 1M tokens, while Claude Opus 4.6 has 200K tokens. GPT-5.5 supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
How do GPT-5.5 and Claude Opus 4.6 compare for batch processing?
Both models support batch processing with discounted rates. Claude Opus 4.6 offers a better batch rate at $2.50 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.

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