GPT-5
Chat-20%openai/gpt-5GPT-5 is OpenAI's next-generation flagship model, released on 2025-08-07, with advanced multimodal capabilities and state-of-the-art general performance. It supports reasoning, vision, audio and video input, tool use (function calling), prompt caching, and web search, making it well suited to agentic workflows. Context: 256K tokens, output: 64K. Accessible via the OpenAI-compatible protocol through Ofox.
Providers
/v1/chat/completions/v1/responsesCode Examples
from openai import OpenAIclient = OpenAI(base_url="https://api.ofox.ai/v1",api_key="YOUR_OFOX_API_KEY",)response = client.chat.completions.create(model="openai/gpt-5",messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)
Benchmarks
GPT-5 scores 1434 in the Overall category of the LMArena text leaderboard (style control), ranking #75 of 374 models based on 31,905 human preference votes (updated 2026-07-12).
| Category | Arena Score | 95% CI | Rank | Votes |
|---|---|---|---|---|
| Overall | 1434 | 1429–1438 | #75 of 374 | 31,905 |
| Hard Prompts | 1446 | 1440–1452 | #88 of 374 | 14,984 |
| Coding | 1468 | 1460–1476 | #91 of 369 | 6,356 |
| Math | 1434 | 1421–1448 | #69 of 362 | 1,885 |
| Creative Writing | 1375 | 1365–1384 | #119 of 372 | 4,250 |
| Instruction Following | 1410 | 1403–1417 | #97 of 374 | 8,263 |
| Chinese | 1454 | 1438–1470 | #96 of 344 | 1,596 |
Source: LMArena · CC BY 4.0 · Updated 2026-07-12 · Methodology ↗ · Ranks compare models within each category of the LMArena text leaderboard (style control). Scores come from third-party human preference evaluations, not from OFOX.