HomeModel ComparisonsGPT-5.5 vs Claude Opus 4.7

GPT-5.5vsClaude Opus 4.7

Which model is more cost-effective? Compare pricing, context window limits, and run live calculations below.

0 Tokens
Expected Output TokensEstimate generation cost

GPT-5.5

OpenAI • 256,000 Context
Input (per 1M)
$5
Output (per 1M)
$30
Est. Total Cost$0.0000

Claude Opus 4.7

Anthropic • 200,000 Context
Input (per 1M)
$5
Output (per 1M)
$25
Est. Total Cost$0.0000

In-Depth Comparison: GPT-5.5 vs Claude Opus 4.7

When choosing between GPT-5.5 (by OpenAI) and Claude Opus 4.7 (by Anthropic), developers must weigh API pricing and context window limits.

GPT-5.5 offers a context window of 256,000 tokens at an input cost of $5 per 1M tokens. On the other hand, Claude Opus 4.7 provides a 200,000 token context window, priced at $5 per 1M input tokens. This helps developers find the best balance between performance and budget.

Frequently Asked Questions

Which is cheaper: GPT-5.5 or Claude Opus 4.7?
GPT-5.5 charges $5 per 1M input tokens, whereas Claude Opus 4.7 charges $5. For output, GPT-5.5 is $30 vs $25 for Claude Opus 4.7.
What is the context window difference between GPT-5.5 and Claude Opus 4.7?
GPT-5.5 offers a context window of 256,000 tokens. In comparison, Claude Opus 4.7 supports up to 200,000 tokens.
Who provides GPT-5.5 and Claude Opus 4.7?
GPT-5.5 is provided by OpenAI, and Claude Opus 4.7 is developed by Anthropic.