Jamba Large
by AI21 LabsChat
AI21's hybrid SSM-Transformer long-context model for enterprise agents and grounded generation
- Context
- 256K tokens
- Max output
- 4,096 tokens
- Released
- 2025-07-01
- Weights
- Open
ai21/jamba-large
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-07-01
- Weights
- Open
- Input
- Text
- Output
- Text
- Context window
- 256,000 max across endpoints
- Max output
- 4,096
- Providers
- 1
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $2.00 in · $8.00 out per 1M tokens · from its one provider
More details
- Last updated
- 2025-07-01
- Knowledge cutoff
- 2024-08-22
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
No change since 19 Oct 2026. The cheapest direct price has been $2.00 in / $8.00 out per 1M tokens at AI21 Labs on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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More from AI21 Labs
Newest AI21 Labs models in the catalogue. All AI21 Labs models
| Model | Released | Context | Listed price |
|---|---|---|---|
| Jamba Mini | 2026-01-01 | 256K | from $0.20 |
| jamba-1-5-mini | — | 256K | from $0.20 |
| jamba-1-5-large | — | 256K | from $2.00 |
| jamba-instruct | — | 70K | from $0.50 |
| j2-mid | — | 8.2K | from $10 |
| j2-ultra | — | 8.2K | from $15 |
| jamba-1-5 | — | 256K | from $0.20 |
| j2-light | — | 8.2K | from $3.00 |
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model