MattermostvsRocket.Chat
How 10 AI models weigh Mattermost against Rocket.Chat on the 1 buying question where both came up.
- Mattermost
- 90%of answers named it
- Rocket.Chat
- 85%of answers named it
- Placed higher
- 35–1times Mattermost vs Rocket.Chat, over 36 model rankings that listed either
- Models leaning
- 9–0toward Mattermost vs Rocket.Chat; 1 even
Which models prefer which
Share of each model's answers that named each product, and how often its ranking put one above the other (a product listed beats one left off) · On the 1 shared question, every wording
| Model | Mattermost | Rocket.Chat | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 100% | 3–1 | Mattermost |
| GPT-6 Luna | 100% | 100% | 4–0 | Mattermost |
| Gemini 4 Argon | 100% | 100% | 4–0 | Mattermost |
| Qwen 3.8 Flash | 100% | 100% | 4–0 | Mattermost |
| DeepSeek V4 Pro | 100% | 50% | 4–0 | Mattermost |
| GLM-5.3 | 100% | 92% | 4–0 | Mattermost |
| Kimi K3 | 100% | 100% | 4–0 | Mattermost |
| MiniMax M3 | 0% | 17% | 0–0 | Even |
| Mistral Large 4 | 100% | 92% | 4–0 | Mattermost |
| Nemotron 3 Ultra | 100% | 100% | 4–0 | Mattermost |
What the models say about Mattermost
One reason per model, from the shared questions
- Claude Haiku 5.5
Self-hosted option with strong developer workflows and data sovereignty.
- GPT-6 Luna
Strong self-hosting and security options make it compelling for technical and regulated teams.
- Gemini 4 Argon
Top open-source, self-hosted choice for technical and security-conscious engineering teams.
- Qwen 3.8 Flash
Strong self-hosted/Compliance-ready Slack alternative for technical buyers.
- DeepSeek V4 Pro
Self-hosted and open-source for teams that demand full data control.
- GLM-5.3
Security-focused open-source chat favored by developers and regulated industries.
- Kimi K3
Best self-hosted open-source option for security-conscious organizations.
- Mistral Large 4
Top self-hosted choice for security-conscious and regulated industries.
- Nemotron 3 Ultra
Self-hosted, open-source, high data control
What the models say about Rocket.Chat
One reason per model, from the shared questions
- Claude Haiku 5.5
Open-source and self-hostable, appealing when data control matters most.
- GPT-6 Luna
Flexible deployment and extensive customization suit organizations wanting control over their messaging.
- Gemini 4 Argon
Highly customizable open-source platform ideal for strict data privacy and omnichannel needs.
- Qwen 3.8 Flash
Open-source flexibility, omnichannel features, on-prem control.
- DeepSeek V4 Pro
Open-source, self-managed, with real-time translation and compliance features.
- GLM-5.3
Open-source, self-hosted option giving full data control and customization.
- Kimi K3
Flexible open-source alternative with strong self-hosting and customization.
- Mistral Large 4
Flexible open-source platform with strong customization and compliance options.
- Nemotron 3 Ultra
Customizable, omnichannel, on-premise option
Tracked since October 25, 2026. Each time the panel answers these questions again, both shares are added here.
Question by question
Share of all answers that named each, every wording pooled, with its place among every product named · Both-named questions first
| Question | Mattermost | Rocket.Chat |
|---|---|---|
| Best team chat apps | 90% #5 | 85% #6 |