LLM API PricesUpdated 2026-10-12 12:21:29 UTC

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GPT 5.4 Mini (latest) API price

openai/gpt-5.4-mini

The cheapest GPT 5.4 Mini (latest) API is $0.4875/M input at Cheaper Inference (discount marketplace) - all 5 providers compared below, per 1M tokens.

Rolling name - always points to the newest snapshot of this model. The pinned snapshots are priced separately: GPT 5.4 Mini (03-17 snapshot).

SmallOpenAI400K context5 sellers
Input $0.4875 per 1M tokens · Cheaper Inference (discount marketplace)
up to $0.75
Output $2.925 per 1M tokens · Cheaper Inference (discount marketplace)
up to $4.50

Where to buy it

Cheapest GPT 5.4 Mini (latest) API providers compared - 5 sellers, from $0.4875/M.

Cost calculator
ProviderInput $/MOutput $/MCached inYour cost
Cheaper Inference (discount marketplace)35% off0.487cheapest2.920.049
Official - OpenAI0.7504.500.075
Batch0.3752.250.037
Flex0.3752.250.037
Priority1.509.000.150
OpenRouter (aggregator)0.7504.500.075
Batch0.3752.250.037
OrcaRouter (aggregator)0.7504.50-
TokenRouter (aggregator)0.7504.500.075

1.5× between the cheapest and the dearest of 5 sellers.

Against its tier

#17 of 19 small · cheaper than 11%

Details

Context window
400K400,000 tokens
Developer
OpenAI
Intelligence
24.1 Xhigh
Sellers
51.5× spread
Cached input
$0.0488where the source publishes one
Cheapest at
Cheaper Inference (discount marketplace)
Combined
$3.4125in + out per 1M
Last checked
2026-10-12

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