Head-to-head · xAI vs Mistral AI
Grok 4.7 vs Mistral Large 3
Quick answer: Grok 4.7 stands out for large context window at a moderate price. Mistral Large 3 stands out for open weights with a permissive license, and it has a free tier. Reviewed September 2026.
Overview
Grok 4.7: Grok 4.7 is xAI's latest flagship model for coding, agentic tasks and knowledge work. It has a 500,000-token context window, accepts text and image input, and supports adjustable reasoning levels.
Mistral Large 3: Mistral Large 3, released in December 2025, is Mistral AI's largest public model, a mixture-of-experts system with 675 billion total parameters of which about 41 billion are active. It is released under the Apache 2.0 license, so organizations can download and self-host it.
At a glance
| Dimension | Grok 4.7 | Mistral Large 3 |
|---|---|---|
| Vendor | xAI | Mistral AI |
| Starting price | API: $2 to $4 in / $6 to $12 out per M tokens | Open weights; API $0.50 in / $1.50 out per M tokens |
| Pricing model | Paid | Free |
| Free tier | No | Yes |
| Category | Generative AI | Generative AI |
Strengths and limits
Grok 4.7
- Large context window at a moderate price
- Strong on coding and agent tasks
- Real-time knowledge through the xAI ecosystem
Watch out for
- Smaller enterprise ecosystem than OpenAI, Anthropic or Google
- Price steps up for prompts over 200,000 tokens
- Fewer professional integrations
Mistral Large 3
- Open weights with a permissive license
- No per-token fee when self-hosted
- European vendor with strong data-residency appeal
Watch out for
- Requires serious hardware to self-host
- Trails the newest frontier models on the hardest tasks
- Smaller tooling ecosystem than the largest vendors
Key features
Grok 4.7
- 500,000-token context window
- Text and image input
- Flexible reasoning levels
- Available through the xAI API
Mistral Large 3
- Mixture-of-experts architecture
- Apache 2.0 open-weight license
- Self-hostable for data-sensitive work
- Available through Mistral's platform and partners
Pricing compared
Grok 4.7 is priced by usage rather than by seat: API: $2 to $4 in / $6 to $12 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.
Mistral Large 3 is free to use (Open weights; API $0.50 in / $1.50 out per M tokens). Check the vendor's page for any usage limits or paid support options.
Frequently asked questions
Which is better, Grok 4.7 or Mistral Large 3?
It depends on the work. Grok 4.7 stands out for large context window at a moderate price. Mistral Large 3 stands out for open weights with a permissive license, and it has a free tier.
How do Grok 4.7 and Mistral Large 3 compare on price?
Grok 4.7 is priced by usage rather than by seat: API: $2 to $4 in / $6 to $12 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing. Mistral Large 3 is free to use (Open weights; API $0.50 in / $1.50 out per M tokens). Check the vendor's page for any usage limits or paid support options.
Is there a free option between Grok 4.7 and Mistral Large 3?
Mistral Large 3 offers a free tier or free access, so you can test on real work before paying.