OpenAI has introduced GPT-5.5, its latest AI model focused on real-world workflows, including coding, research, automation, and enterprise tasks. The new model moves beyond traditional chat-based responses toward agentic execution, where AI can plan, act, and complete multi-step tasks across tools with minimal user input.
What is GPT-5.5?
- Understand user intent quickly
- Break complex goals into steps
- Execute tasks across software tools
- Maintain long-context awareness
Unlike earlier models, it focuses on full workflow completion instead of single responses.
Key Capabilities
Agentic workflows and automation
- Plans → executes → verifies → continues tasks
- Works across tools, documents, and systems
- Handles long-running workflows with minimal supervision
Advanced coding and software engineering
- Strong performance in real-world coding benchmarks
- Better debugging, refactoring, and testing
- Understands full codebases and dependencies
Benchmarks:
- Terminal-Bench 2.0: 82.7%
- SWE-Bench Pro: 58.6%
- Strong performance in long-horizon engineering tasks
Enterprise workflows and knowledge work
- Automated reporting and analysis
- Spreadsheet and presentation generation
- Structured business planning and communication
Used internally for:
- Dataset analysis
- Risk scoring systems
- Automated workflows (e.g., Slack, reporting)
Scientific research and reasoning
- Supports multi-step research workflows
- Handles hypothesis testing and data interpretation
- Strong performance in biology, bioinformatics, and math
Notably, GPT-5.5 contributed to new combinatorics research (Ramsey numbers) in internal testing.
Performance and Efficiency
- Maintains GPT-5.4-level latency
- Improved token efficiency (lower cost per output)
- Faster generation via dynamic workload optimization
- ~20% improvement in token generation speed
GPT-5.5 Modes
- GPT-5.5 Thinking → faster reasoning, clarity
- GPT-5.5 Pro → deeper analysis, higher accuracy
Benchmark Highlights
- GDPval: 84.9% (44 occupations)
- OSWorld (real environments): 78.7%
- Telecom workflows: 98.0%
- Investment banking tasks: 88.5%
Safety and Security
GPT-5.5 is classified as “High” in cybersecurity capability under OpenAI’s framework.
Safeguards include:
- Stronger misuse detection
- Controlled access for sensitive capabilities
- Monitoring repeated abuse patterns
- Verified access programs for advanced use
Pricing & Availability
ChatGPT:
- GPT-5.5 Thinking → Plus, Pro, Business, Enterprise
- GPT-5.5 Pro → Pro, Business, Enterprise
Codex:
- Available across Plus, Pro, Business, Enterprise, Edu, Go
- Up to 400K context window
API (Upcoming):
- GPT-5.5 → $5 input / $30 output per 1M tokens
- GPT-5.5 Pro → $30 input / $180 output per 1M tokens
- Up to 1M context window
