// model_detail
active reasoning
GPT-5.4 Pro
by OpenAI
Highest-tier reasoning model with deep thinking. 1.1M context.
Context window 1.1M 1.1M tokens
Max output 128K 128K tokens
Pricing /1M tok $30.00 in / $180.00 out per 1M tokens (API)
Released Mar 5, 2026
// specifications
Specs & capabilities
API details
- API model ID
gpt-5.4-pro- Internal ID
gpt-5-4-pro- Status
- active
- Type
- reasoning
Capabilities
- Vision
- 👁️ Yes
- Function calling
- 🔧 Yes
- Knowledge cutoff
- 📅 2025-10
Pricing
- Input
- $30.00 / 1M tokens
- Output
- $180.00 / 1M tokens
- Source
- First-party API pricing
Lifecycle
- Predecessor
-
gpt-5-2-pro
// notes
Additional notes
Premium reasoning model
// more_from_openai
More OpenAI models
GPT-5.4 active frontier
OpenAI's most capable model for complex reasoning and coding. 1.1M context, multimodal.
GPT-5.4 Mini active balanced
Smaller 5.4 variant for coding, computer use, and subagents. 1.1M context.
GPT-5.4 Nano active fast
Cheapest model in the GPT-5.4 family for high-volume simple tasks.
GPT-5.3 Chat active balanced
Chat-optimized variant of the GPT-5.3 series.
GPT-5.3 Codex active coding
OpenAI's latest coding-focused model. 91.5% LiveCodeBench. 400K context.
GPT-5.2 legacy frontier
Previous-generation GPT-5 flagship. 400K context.
// external_links