Inception: Mercury 2.5 vs Devstral 2 123B
inception/mercury-2.5 · mistralai/devstral-2-123b
As of November 5, 2026, Devstral 2 123B is the cheaper API on UberLLM: $0.0077 per million input tokens and $0.0384 per million output, versus $0.0460 / $0.1725 for Inception: Mercury 2.5, about 78% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose Devstral 2 123B to cut cost; choose Inception: Mercury 2.5 when context size wins. Inception: Mercury 2.5 carries the larger context window (260,000 vs 256,000 tokens), which can matter for long-document work.
Inception: Mercury 2.5 vs Devstral 2 123B, side by side
| Spec | Inception: Mercury 2.5 | Devstral 2 123B |
|---|---|---|
| Price · input / 1M | $0.0460 | $0.0077 |
| Price · output / 1M | $0.1725 | $0.0384 |
| Context length | 260,000 | 256,000 |
| Max output tokens | 65,536 | 32,000 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | Yes | — |
| % off list | — | 98.1% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 5, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Inception: Mercury 2.5 vs Devstral 2 123B — FAQ
Is Inception: Mercury 2.5 or Devstral 2 123B cheaper?
Devstral 2 123B is cheaper on a blended token mix, by about 78%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Inception: Mercury 2.5 and Devstral 2 123B?
Inception: Mercury 2.5: $0.0460 in / $0.1725 out per 1M tokens. Devstral 2 123B: $0.0077 in / $0.0384 out per 1M tokens. That's roughly a 78% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Inception: Mercury 2.5 and Devstral 2 123B with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.