Overview
Granite 4.0 Micro vs GPT-5.1-Codex: side-by-side summary
Granite 4.0 Micro and GPT-5.1-Codex are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Granite 4.0 Micro, from ibm-granite, has a 131,000-token context window and is priced at $0.017/M tokens input, $0.112/M tokens output on OpenRouter.
GPT-5.1-Codex, from OpenAI, has a 400,000-token context window and is priced at $1.25/M tokens input, $10/M tokens output on OpenRouter.
- Context window
- Granite 4.0 Micro: 131,000 tokens
- GPT-5.1-Codex: 400,000 tokens
- Price
- Granite 4.0 Micro: $0.017/M tokens input, $0.112/M tokens output
- GPT-5.1-Codex: $1.25/M tokens input, $10/M tokens output
- Provided by
- Granite 4.0 Micro: ibm-granite
- GPT-5.1-Codex: OpenAI