# Mercury 3

Model tracker · checked 2026-10-19 · https://dbggr.dev/models/mercury-3/

Mercury 3 is a fast model from Inception, released 19 October 2026. At Inception it costs $0.10 per million input tokens and $0.35 per million output tokens, with a 1M-token context window.

- Made by: Inception
- Released: 2026-10-19
- Status: Generally available, new
- Tier: Fast
- Weights: Closed
- Context window: 1,000,000 tokens
- Input: text
- API id: mercury-3
- Docs: https://www.inceptionlabs.ai/blog/introducing-mercury-3

## Mercury 3 price at Inception

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Inception | $0.10 | $0.35 | $0.01 | $0.163 | – | [2026-10-19](https://www.inceptionlabs.ai/blog/introducing-mercury-3) |

- Inception: Launch price, 50% off the $0.20 in / $0.70 out list price (end date not given). Cached input is 90% off the input price. Diffusion LLM; Inception reports 1,068 tokens/s. 100M free tokens for new API users.

## Models like Mercury 3

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Mercury 3 | $0.10 | $0.35 | 1M | Closed |
| [NVIDIA Nemotron 3 Super](https://dbggr.dev/models/nvidia-nemotron-3-super/) | $0.085 | $0.40 | 262K | Open |
| [Llama 3.3 70B](https://dbggr.dev/models/llama-3-3-70b/) | $0.10 | $0.32 | 131K | Open |
| [NVIDIA Nemotron 3.5 Super VL](https://dbggr.dev/models/nvidia-nemotron-3-5-super-vl/) | $0.10 | $0.40 | 262K | Open |
| [Ministral 3 8B](https://dbggr.dev/models/ministral-3-8b/) | $0.15 | $0.15 | 256K | Open |
| [Claude Haiku 5.5](https://dbggr.dev/models/claude-haiku-5-5/) | $0.10 | $0.50 | 1M | Closed |

## FAQ

### How much does Mercury 3 cost?

Mercury 3 costs $0.10 per million input tokens and $0.35 per million output tokens at Inception, and $0.01 per million cached input tokens. Prices are list prices in US dollars, last checked 19 October 2026.

### What is Mercury 3's context window?

Mercury 3 takes up to 1,000,000 tokens in one request.

### Is Mercury 3 open weight?

No. Mercury 3 is only available through Inception's API; Inception doesn't publish the weights.

### Where can I use Mercury 3?

Mercury 3 is available from Inception. At Inception, call it as `mercury-3`.