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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-oss-20b is 16ms faster than OpenAI: GPT-4o
📈OpenAI: GPT-4o scores 1270.0 pts higher on benchmarks
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | gpt-oss-20b | OpenAI: GPT-4o |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | — | 128k tokens |
| Latency (p50) | — | 16ms |
| Best benchmark score | — | 1270.0 |
| Open source | No | No |
gpt-oss-20b — available via AWS Bedrock (us-east-1).
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
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