GPT-5.4

OpenAI's latest frontier model, unifying the Codex and GPT lines. Features 1M+ token context window with strong coding, document understanding, and tool use.

Input price
$2.25–$4.50list $2.50-10%
Output price
$13.50–$20.25list $15.00-10%
Context
1.1M
Max output
128K
Modalities
InputTextImageOutputText
157 (#22 of 89)
1452
—
Released
2026-03-05
Knowledge cutoff
2025-08
Try in ChatCompare

Providers

This model is served by the dedicated providers below. We pick the provider for each request, so provider preferences don’t apply, including a provider named in your request. Prices in USD per 1M tokens. Need a custom setup? Contact [email protected].

Included providers2
  • SuccessTTFT
  • Azure AI FoundryGlobal——
  • OpenAIUnited States——

Pricing

Prices for this model. Each request is billed at these prices, whichever provider serves it.

ItemStandardFlexBatchPriorityPrice
Prompt ≤ 272K tokens
Inputper 1M tokens$2.25list $2.50-10%$1.125list $1.25-10%$1.125list $1.25-10%$4.50list $5.00-10%—
Outputper 1M tokens$13.50list $15.00-10%$6.75list $7.50-10%$6.75list $7.50-10%$27.00list $30.00-10%—
Cache readper 1M tokens$0.225list $0.25-10%$0.117list $0.13-10%$0.117list $0.13-10%$0.45list $0.50-10%—
Prompt > 272K tokens
Inputper 1M tokens$4.50list $5.00-10%$2.25list $2.50-10%$2.25list $2.50-10%——
Outputper 1M tokens$20.25list $22.50-10%$10.125list $11.25-10%$10.125list $11.25-10%——
Cache readper 1M tokens$0.45list $0.50-10%$0.225list $0.25-10%$0.225list $0.25-10%——
Web searchper request————$0.009list $0.01-10%

Make a request

Set your provider preferences, then copy the request. It reads your API key from OHMYGPT_API_KEY.

Provider preferences don’t apply to this model. Need a custom setup? Contact [email protected].

curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.4",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Similar models

Other models with the same output types at a similar price.

  • Better value: more capable, lower price
  • Pareto frontier
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Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-02), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

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Output
$13.50–$20.25
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Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-10-28): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text