GPT-5.4
OpenAI
A more affordable April 2026 model for coding and professional work, combining advances in reasoning, coding, and agentic workflows. Half the per-token price of GPT-5.5 with a 1M-token context window and multimodal (text + vision) input.
Strengths
- Strong coding and agentic performance at half the price of GPT-5.5
- 1M-token context window with multimodal (text + vision) input
- 128K max output for long documents and codebases
Caveats
- Lower ceiling than GPT-5.5 on the hardest agentic-coding tasks
- No audio input (text + vision only)
- Vendor
- OpenAI
- Context Window
- 1,000,000 tokens
- Max Output
- 128,000 tokens
- License
- Proprietary
- Release Date
- 2026-04-23
- Training Cutoff
- 2025-08-31
- Modalities
- textimage
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
$2.50 per 1M input tokens, $15 per 1M output tokens (half the per-token price of GPT-5.5).