// AI21 Labs
Jamba Mini 2
A AI21 Labs model. 1 prices across 1 channels side by side, each with its source and check date – plus specs, licence, speed and benchmarks.
- Official in/out per 1M
- $0.2 / $0.4
- Lowest (official)
- $0.2 / $0.4
- Context
- 256K
- Prices listed
- 1
Prices checked 2026-10-22Official sources linked on every rowNo estimates
01Specs at a glance
Official values first; gaps filled from OpenRouter’s API where the vendor page is silent.
| Vendor | AI21 Labs |
|---|---|
| Context window | 256K (256,000 tokens) |
| Max output | — |
| Input | Text |
| Output | Text |
| Tool calling / JSON | Yes / Yes |
| Weights & licence | Open weights · Apache-2.0 · Hugging Face |
| Parameters | 51.6B (from weight files) |
| Released | Jan 6, 2026 |
| Model IDs | jamba-mini |
02Prices on 1 channels
Per 1M tokens, in the currency each source publishes (1 USD = 6.7 CNY for the blended column). Sorted: official first, then cheapest.
| Channel | Source | Input | Output | Cache hit | Blended $ | Context | Notes |
|---|---|---|---|---|---|---|---|
| Official Vendor API, billed in USD | Official 10-22 | $0.2 | $0.4 | — | 0.25 | 256K | API alias jamba-mini → jamba-mini-2-2026-01; 52B total / 12B active (AI21 docs) |
“Official” = vendor pricing page; “Platform” = the platform’s own pricing page; “OpenRouter” = price listed on OpenRouter, not checked on the platform’s site. Click a source tag to open the original page.
03Where you can use it
Derived only from the price sources above. Country restrictions are set by each vendor – check their terms before you sign up.
- Vendor API, billed in USD
Official - Self-host the open weights
GPU / VRAM sizing and build plans→ - Free option
Jamba2 Mini→
05Price changes we recorded
All price changes →From our daily re-checks of the sources above.
No price change recorded since we started tracking (2026-10-10).
06More from AI21 Labs
FAQ
How much does the Jamba Mini 2 API cost?
On the official pricing page: $0.2 / $0.4 per 1M input / output tokens (checked 2026-10-22).
What is the context window of Jamba Mini 2?
256K tokens of context. Platforms may cap it lower – see the table.
Is Jamba Mini 2 open source?
Yes, the weights are published on Hugging Face (ai21labs/AI21-Jamba2-Mini). Licence: Apache-2.0.