Mercury Code
Foundation Models · Free + paid
Inception Labs (Nov 2025) — diffusion LLM for coding with 128K context
At a glance
- Made by
- Inception
- Korean
- None (English and a few others only)
- API
- Yes
- Available on
- API
What is Mercury Code?
Inception's Mercury models are described as diffusion-based LLMs that provide reasoning and code generation with low latency. The API is OpenAI-compatible, so it can be used right away with existing tools. Mercury Edit 2, for code, supports autocomplete (FIM) and next edit suggestions (Next Edit). Also offered are Mercury 2.5 for chat, tool calling, and structured output, Mercury Voice for voice agents, and Mercury Decide for classification and scoring.
- OpenAI-compatible API
- Code autocomplete (FIM)
- Next edit suggestions (Next Edit)
- Streaming
- Tool calling (Tool Use)
- Structured output
- Integrations such as Cursor, Zed, and VS Code extensions
Who uses Mercury Code and for what
- Used by developers in their editors for code autocomplete and next edit suggestions
- Building voice agents, customer support, SQL, and coding agents
Pricing
| Plan | Price | Main limits |
|---|---|---|
| Mercury Edit 2 (input) | $0.25 | $0.25 per 1M input tokens, $0.75 per 1M output tokens, FIM/NextEdit 32K |
| Mercury 2 (input) | $0.25 | $0.25 per 1M input tokens, $0.75 output, 128K context |
| Mercury 2.5 (input) | $0.2 | Page shows '$0.20 → $0.04' (per 1M input tokens), output '$0.75 → $0.15', 260K context |
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying. · Official pricing page
AI tools similar to Mercury Code (alternatives)
Mercury Code vs. alternatives at a glance
| AI | Pricing | Combos on the map | Connected tools | Free | Cheapest monthly | Korean |
|---|---|---|---|---|---|---|
| Mercury Code | Free + paid | 0 | 5 | — | — | No |
| Alibaba Cloud (Qwen) | Free | 0 | 17 | Yes | — | — |
| ByteDance | Free + paid | 0 | 17 | Yes | 9.9 CNY/mo | No |
| Code World Model | Free | 0 | 17 | — | — | No |
| Cognition (SWE-1) | Free + paid | 0 | 17 | — | — | No |
2 of these 5 tools have a free plan.
Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.
Mercury Code on AI Galaxy Map
- One of 60 AI tools in the Foundation Models field.
- Connected to 5 other tools — #16 in its field.
Frequently asked questions
Can I use Mercury Code for free?
Mercury Edit 2 (input) $0.25, Mercury 2 (input) $0.25, Mercury 2.5 (input) $0.2. Prices can change, so check the official site before paying.
What AI can I use instead of Mercury Code?
Tools that do the same job, such as Alibaba Cloud (Qwen), ByteDance, Code World Model, Cognition (SWE-1), are connected to it on the map.
Can I use Mercury Code in Korean?
None (English and a few others only)
Sources (official pages)
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.