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Side-by-side comparison of API pricing, context window, latency, and benchmark performance. Data refreshed daily from provider APIs and ModelStop's own latency probes.
⚡gpt-4o-audio-preview-2024-12-17 is 21ms faster than OpenAI: GPT-5.1-Codex-Max
📈gpt-4o-audio-preview-2024-12-17 scores 1270.0 pts higher on benchmarks
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | gpt-4o-audio-preview-2024-12-17 | OpenAI: GPT-5.1-Codex-Max |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | — | 400k tokens |
| Latency (p50) | — | 21ms |
| Best benchmark score | 1270.0 | — |
| Open source | No | No |
This multimodal model excels at processing and generating both text and audio, making it ideal for developers and applications requiring real-time voice interactions, transcription, audio analysis, and spoken responses without separate API calls.
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
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