AI21 LabsJamba 1.7 Mini
Jamba 1.7 Mini is an AI21 Labs open-weights model, released 7 Jul 2025. Its best configuration ranks #685 of 785 on the BenchLeader Index at 39.5 ±3.0, in the lower half. The ± is the point: 232 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in reasoning (41) and lowest in knowledge (29). Last measured 7 Jul 2025.stale: no new result in six months
- Blended price
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- Output speed
- –
- First answer
- –
- Context
- 258k
- Full answer
- –
- Cost per run
- –
- Released
- 7 Jul 2025
- Overall index40
- Reasoning41
- Agents & tools34
- Knowledge29
- Instruction following35
- Long context32
- Composite35
Versions
AI21 Labs has shipped 5 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Jamba Mini | 8 Jan 2026 | – | – |
| Jamba 1.7 Minithis page | 7 Jul 2025 | 39.5 | #685 |
| Jamba 1.5 Mini | 22 Aug 2024 | 37.3 | #734 |
| Jamba Mini 1.6 | – | 21.8 | #785 |
| Jamba Mini 1.7 | – | – | – |
How its index has moved
9 Sept 2026 to 21 Oct 2026The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | not stated | Source |
|---|---|---|
| GPQA Diamond (AA)not in index | 32.2%#511 | Artificial Analysis |
| Humanity's Last Exam (AA)not in index | 4.5%#503 | Artificial Analysis |
| CritPt | 0.0%#315 | Artificial Analysis |
Agents & tools
| Benchmark | not stated | Source |
|---|---|---|
| Terminal-Bench Hard | 0.0%#362 | Artificial Analysis |
| τ²-Bench Telecom (AA)not in index | 12.6%#373 | Artificial Analysis |
Knowledge
| Benchmark | not stated | Source |
|---|---|---|
| AA-Omniscience | -73.1#525 | Artificial Analysis |
| AA-Omniscience: accuracynot in index | 11.3%#482 | Artificial Analysis |
| AA-Omniscience: non-hallucinationnot in index | 4.9%#527 | Artificial Analysis |
Instruction following
| Benchmark | not stated | Source |
|---|---|---|
| IFBench | 31.4%#355 | Artificial Analysis |
Long context
| Benchmark | not stated | Source |
|---|---|---|
| AA-LCR | 16.0%#451 | Artificial Analysis |
Composite
| Benchmark | not stated | Source |
|---|---|---|
| AA Intelligence Index v4.3.2 | 5.2#594 | Artificial Analysis |
More from AI21 Labs
See also
Questions people ask
- What are Jamba 1.7 Mini's benchmark scores?
- As of 25 Oct 2026, Jamba 1.7 Mini scores 39.5 ±3.0 on the BenchLeader Index, strongest in reasoning (41) and weakest in knowledge (29). That rests on 6 independent benchmark results, and every score on this page links to its publisher.
- How does Jamba 1.7 Mini rank?
- Jamba 1.7 Mini is #685 of 785 ranked configurations on 25 Oct 2026. 232 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
- When was Jamba 1.7 Mini released?
- AI21 Labs released Jamba 1.7 Mini on 7 Jul 2025.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Jamba 1.7 Mini: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/jamba-1-7-mini.