Question 1

How much does the OpenAI GPT-5.4 API cost?

Accepted Answer

GPT-5.4 API pricing is $2.50 per million input tokens and $15.00 per million output tokens. Use our calculator at aiapicost.com for exact cost estimates based on your usage.

Question 2

Which AI model is cheapest for API usage?

Accepted Answer

The cheapest AI API models change frequently. Use aiapicost.com to compare real-time pricing across 400+ models from OpenAI, Anthropic, Google, DeepSeek, and more. DeepSeek and open-source models typically offer the lowest per-token costs.

Question 3

How do AI API token costs work?

Accepted Answer

AI APIs charge per token (roughly 0.75 words). Costs are split into input tokens (what you send) and output tokens (what the model generates). Output tokens are typically 2-5x more expensive. Prices are quoted per 1 million tokens.

Question 4

Claude vs ChatGPT: which is better?

Accepted Answer

Both are top-tier models. Claude excels at coding and instruction-following, while GPT-5.4 offers broader multimodal capabilities. Compare them head-to-head at aiapicost.com/compare with real benchmark data.

Model	Input	Output	Speed
HyperCLOVA X SEED Think (32B)Current	$0.00	$0.00	0 tok/s
GPT-5.4 (Non-reasoning)	$2.50	$15.00	62 tok/s
gpt-oss-120b (low)	$0.15	$0.60	276 tok/s
gpt-oss-120b (high)	$0.15	$0.60	272 tok/s
gpt-oss-20B (low)	$0.06	$0.20	264 tok/s
Grok-1	$0.00	$0.00	0 tok/s

HyperCLOVA X SEED Think (32B)

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