Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...
Model details →Mistral: Mistral Medium 3.5 vs SpaceXAI: Grok 4.5
SpaceXAI: Grok 4.5 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Medium 3.5 | SpaceXAI: Grok 4.5 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 500K | 🏆 SpaceXAI: Grok 4.5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.50 | $2.00 | 🏆 Mistral: Mistral Medium 3.5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $7.50 | $6.00 | 🏆 SpaceXAI: Grok 4.5 |
| 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. | Yes | Yes | Tie |
Frequently asked questions
Is Mistral: Mistral Medium 3.5 better than SpaceXAI: Grok 4.5?
SpaceXAI: Grok 4.5 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Mistral: Mistral Medium 3.5 and SpaceXAI: Grok 4.5?
Input: $1.50 vs $2.00 per 1M tokens. Output: $7.50 vs $6.00 per 1M tokens.
What context windows do Mistral: Mistral Medium 3.5 and SpaceXAI: Grok 4.5 support?
Mistral: Mistral Medium 3.5 supports up to 262K tokens. SpaceXAI: Grok 4.5 supports up to 500K tokens.
Do both Mistral: Mistral Medium 3.5 and SpaceXAI: Grok 4.5 support tool calling?
Mistral: Mistral Medium 3.5: yes. SpaceXAI: Grok 4.5: yes.
Compare Mistral: Mistral Medium 3.5 with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest