Major Release OpenAI · Released
GPT-5
What is GPT-5?
GPT-5 is a Major Release AI model from OpenAI, released on August 15, 2025. It has a 400K tokens context window, costs $2.50 per million input tokens, and scores 1434 on Chatbot Arena Elo. It is available via the company's API.
OpenAI's flagship unified reasoning + chat model replacing the GPT-4 line.
OpenAI's next-generation flagship model with adaptive reasoning capabilities
Key features
- Adaptive reasoning (routes between quick and deep thinking)
- Improved math and coding
- Enhanced multimodal reasoning
- New safety architecture
How much does GPT-5 cost?
| Metric | Price |
|---|---|
| input per mtok | $2.50 |
| output per mtok | $12.00 |
| cache read per mtok | $0.12 |
Pricing data verified .
What context window does GPT-5 have?
- Context window
- 400K tokens
- Max output
- 64K
- Input modalities
- text, image, audio
- Output modalities
- text, audio
How does GPT-5 score on benchmarks?
| Benchmark | Score |
|---|---|
| MMLU-Pro | 80.6% |
| GPQA Diamond | 67.3% |
| SWE-bench Verified | 67.4% |
| MATH | 90.1% |
| HumanEval | 95.1% |
| LiveCodeBench | 55.8% |
| MATH-500 | 86.1% |
| AIME 2025 | 36.7% |
| HLE | 5.4% |
| SciCode | 38.8% |
| TAU2-bench | 67.0% |
| TerminalBench-Hard | 18.2% |
| IF-Bench | 45.6% |
| LiveCodeBench Reasoning | 25.0% |
| AA Intelligence Index | 23.9 |
| Chatbot Arena Elo | 1434 |
Benchmark scores verified .
Predecessors and successors
Compare GPT-5 with
Launch coverage
- Openai Teases Gpt-5 Launch Event This Thursday The Verge
- Openai Launches Gpt-5 Free To All Chatgpt Users Ars Technica
- Openai Just Released Gpt-5: The Smartest, Fastest, And Most Useful Openai Model MarkTechPost
- Openai Launches Gpt-5, Nano, Mini And Pro — Not Agi, But Capable Of Generating ‘Software-On-Demand’ VentureBeat
- The Gpt-5 Feature Openai Hasn’T Talked About (But It Changes Everything) 🧠 Reddit