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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.
💰OpenAI: GPT-5.1-Codex-Max is 100% cheaper than OpenAI: GPT-5 Image Mini
⚡OpenAI: GPT-5 Image Mini is 21ms faster than OpenAI: GPT-5.1-Codex-Max
📈OpenAI: GPT-5 Image Mini scores 1242.0 pts higher on benchmarks
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | OpenAI: GPT-5 Image Mini | OpenAI: GPT-5.1-Codex-Max |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | $2.50 | Free |
| Output price / 1M tokens | $2.00 | — |
| Context window | 400k tokens | 400k tokens |
| Latency (p50) | — | 21ms |
| Best benchmark score | 1242.0 | — |
| Open source | No | No |
GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior instruction following, text...
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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