OpenAI: GPT-5.4
GPT-5.4 is OpenAI's current flagship and one of the most capable models available, with world-leading scores across reasoning, coding, and agentic tasks, plus full multimodal support and a 1M token context window at a competitive price. It is the benchmark for business AI performance and an excellent all-round choice for demanding professional applications.
Assessment date: April 16, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for..
Capabilities
Architecture
| Modality | Text + Image + File → Text |
| Tokenizer | GPT |
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does OpenAI: GPT-5.4 stack up?
Compare side-by-side with other frontier models.
Model Information
| OpenRouter ID |
openai/gpt-5.4
|
| Provider | openai |
| Release Date | March 5, 2026 |
| Context Length | 1,050,000 tokens |
| Max Completion | 128,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $2.50 | $0.002500 |
| Output | $15.00 | $0.015000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
