HomeModel ComparisonsGPT-5.4 vs Claude Sonnet 4.6

GPT-5.4vsClaude Sonnet 4.6

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

0 Tokens
Expected Output TokensEstimate generation cost

GPT-5.4

OpenAI • 128,000 Context
Input (per 1M)
$2.5
Output (per 1M)
$15
Est. Total Cost$0.0000

Claude Sonnet 4.6

Anthropic • 200,000 Context
Input (per 1M)
$3
Output (per 1M)
$15
Est. Total Cost$0.0000

In-Depth Comparison: GPT-5.4 vs Claude Sonnet 4.6

When choosing between GPT-5.4 (by OpenAI) and Claude Sonnet 4.6 (by Anthropic), developers must weigh API pricing and context window limits.

GPT-5.4 offers a context window of 128,000 tokens at an input cost of $2.5 per 1M tokens. On the other hand, Claude Sonnet 4.6 provides a 200,000 token context window, priced at $3 per 1M input tokens. This helps developers find the best balance between performance and budget.

Frequently Asked Questions

Which is cheaper: GPT-5.4 or Claude Sonnet 4.6?
GPT-5.4 charges $2.5 per 1M input tokens, whereas Claude Sonnet 4.6 charges $3. For output, GPT-5.4 is $15 vs $15 for Claude Sonnet 4.6.
What is the context window difference between GPT-5.4 and Claude Sonnet 4.6?
GPT-5.4 offers a context window of 128,000 tokens. In comparison, Claude Sonnet 4.6 supports up to 200,000 tokens.
Who provides GPT-5.4 and Claude Sonnet 4.6?
GPT-5.4 is provided by OpenAI, and Claude Sonnet 4.6 is developed by Anthropic.