Mistral Large 3 2512 is Mistral’s most capable model to date, featuring a sparse mixture-of-experts architecture with 41B active parameters (675B total), and released under the Apache 2.0 license.
Model details →Mistral: Mistral Large 3 2512 (batch) vs Union Alpha
Union Alpha wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Union Alpha is a multimodal model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. Union Alpha is a stealth model....
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Large 3 2512 (batch) | Union Alpha | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 262K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.25 | $0.00 | 🏆 Union Alpha |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.75 | $0.00 | 🏆 Union Alpha |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Mistral: Mistral Large 3 2512 (batch) better than Union Alpha?
Union Alpha wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Mistral: Mistral Large 3 2512 (batch) and Union Alpha?
Input: $0.25 vs $0.00 per 1M tokens. Output: $0.75 vs $0.00 per 1M tokens.
What context windows do Mistral: Mistral Large 3 2512 (batch) and Union Alpha support?
Mistral: Mistral Large 3 2512 (batch) supports up to 262K tokens. Union Alpha supports up to 262K tokens.
Do both Mistral: Mistral Large 3 2512 (batch) and Union Alpha support tool calling?
Mistral: Mistral Large 3 2512 (batch): yes. Union Alpha: yes.