gpt-5-4-pro
Overview
GPT-5.4 Pro is the highest-performance variant in the GPT-5.4 family, allocating more compute for deeper reasoning to produce smarter and more precise answers on complex, high-stakes tasks. Available exclusively via the Responses API, some requests may take several minutes to complete, making it ideal for accuracy-critical professional use cases.
Key Features
- Enhanced Deep Reasoning: Allocates significantly more reasoning compute, outperforming the standard model on math, science, and complex coding problems.
- 1M+ Native Context: Natively supports 1,050,000 token context (922K input + 128K output) without additional configuration.
- Unified Capability Inheritance: Inherits all GPT-5.4 capabilities including Computer Use, Tool Search, and configurable reasoning effort.
- Responses API Exclusive: Available only via the Responses API, specifically optimized for complex tasks requiring deep thinking.
Best Use Cases
- High-Stakes Decision Support: Ideal for financial analysis, legal reasoning, medical diagnostic assistance, and other professional domains requiring extreme accuracy.
- Complex Research & Analysis: The 1M+ context window and deep reasoning make it perfect for cross-document research and systematic analysis.
- Advanced Coding Challenges: Excels on frontier coding benchmarks, suitable for large-scale code refactoring, architecture design, and complex bug diagnosis.
- Enterprise AI Agents: Powers autonomous agent systems requiring the highest reasoning quality, suitable for critical business process automation.
Capabilities and Limitations
| Capability | Detailed Description |
|---|---|
| Reasoning Ability | Strongest reasoning in the GPT-5.4 family; ranks #1 out of 104 models (overall score 92/100). SWE-bench Pro 57.7%, OSWorld 75% (surpassing 72.4% human expert baseline), GDPval 83%. Configurable reasoning effort: medium, high, xhigh. |
| Creative Ability | Inherits GPT-5.4's creative capabilities with 128K max output; deeper reasoning improves structured creative tasks like technical writing and system design documents. |
| Multimodal Ability | Supports text and image input with text output; image understanding and analysis on par with GPT-5.4 standard. |
| Tool Use | Agentic tool use score 88.9 (#1 of 104 models). Supports Computer Use, Tool Search, and multi-step workflow orchestration. |
| Response Speed | Slower — some complex requests may take several minutes, not suitable for low-latency scenarios. |
| Context Window | 1,050,000 tokens (922K input + 128K output), natively supported without additional configuration. |
| Max Output | 128,000 tokens |
| Knowledge Cutoff | August 31, 2025 |
Standard Pricing
The token prices below are shown in USD per 1 million tokens; web search is billed in USD per use.
| Model | Input (USD / 1M Tokens) | Cache Write (USD / 1M Tokens) | Cache Read (USD / 1M Tokens) | Output (USD / 1M Tokens) | Web Search (USD / use) |
|---|---|---|---|---|---|
| GPT-5.4 Pro | $30.00 | $30.00 | $3.00 | $180.00 | - |
Credits settlement: B.AI converts charges at 1 USD = 1,000,000 Credits and deducts Credits from the account balance.
Prices shown in the documentation are B.AI standard reference prices for base billing purposes. B.AI may provide lower actual usage costs through top-up bonuses and account benefits. Specific prices, bonus Credits, and account benefits are subject to the platform display and final billing records.