GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Model details →OpenAI: GPT-5.1-Codex-Mini vs Poolside: Laguna XS 2.1
OpenAI: GPT-5.1-Codex-Mini and Poolside: Laguna XS 2.1 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026). It combines...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5.1-Codex-Mini | Poolside: Laguna XS 2.1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 262K | 🏆 OpenAI: GPT-5.1-Codex-Mini |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.25 | $0.06 | 🏆 Poolside: Laguna XS 2.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.00 | $0.12 | 🏆 Poolside: Laguna XS 2.1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 OpenAI: GPT-5.1-Codex-Mini |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5.1-Codex-Mini better than Poolside: Laguna XS 2.1?
OpenAI: GPT-5.1-Codex-Mini and Poolside: Laguna XS 2.1 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between OpenAI: GPT-5.1-Codex-Mini and Poolside: Laguna XS 2.1?
Input: $0.25 vs $0.06 per 1M tokens. Output: $2.00 vs $0.12 per 1M tokens.
What context windows do OpenAI: GPT-5.1-Codex-Mini and Poolside: Laguna XS 2.1 support?
OpenAI: GPT-5.1-Codex-Mini supports up to 400K tokens. Poolside: Laguna XS 2.1 supports up to 262K tokens.
Do both OpenAI: GPT-5.1-Codex-Mini and Poolside: Laguna XS 2.1 support tool calling?
OpenAI: GPT-5.1-Codex-Mini: yes. Poolside: Laguna XS 2.1: yes.
Compare OpenAI: GPT-5.1-Codex-Mini with other models
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