GPT-5.4 Pro by OpenAI is available through 28 API providers on LMSpeed. Compare API pricing from $24.00 to $90.00 per million input tokens across providers.
Avg speed
-t/s
First token
-s
Total tests
0
Providers
17
Variants
28
Pricing Comparison
Compare GPT-5.4 Pro API pricing across 28 providers. Input prices range from $24.00 to $90.00 per million input. GOU API offers the lowest rate at $24.00/M.
Latest benchmark results measuring API response speed and first-token latency.
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Frequently Asked Questions
Is GPT-5.4 Pro API free?
GPT-5.4 Pro does not currently have a free API tier on LMSpeed. All 28 providers charge per token.
How much does GPT-5.4 Pro API cost?
GPT-5.4 Pro API pricing ranges from $24.00 to $90.00 per million input tokens across 28 providers. GOU API offers the cheapest rate at $24.00/M. Output pricing varies by provider.
Which provider has the cheapest GPT-5.4 Pro API pricing?
The cheapest GPT-5.4 Pro API pricing is offered by GOU API at $24.00 per million input tokens. Compare all 28 providers above to find the best pricing per token for your use case.