Skip to content
ModelCap

Head-to-head comparison

Jamba Large 1.7 vs Gemma 3 12B

Jamba Large 1.7 (AI21 Labs) and Gemma 3 12B (Google) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 18 August 2026

As of 18 August 2026, Jamba Large 1.7 holds the stronger ModelCap Index position (#113 vs #175); Gemma 3 12B is 53.3× cheaper per output token ($0.15/1M vs $8.00/1M); and Jamba Large 1.7 offers the longer context window (256K vs 131K tokens).

Which should you choose?

Choose Jamba Large 1.7 if…

  • you want the stronger overall ModelCap Index position — #113 against #175 (21.4 vs 20.3 points).
  • you need the longer context window — 256K tokens against 131K.
  • you want the more recently listed model — Jamba Large 1.7 was listed 8 August 2025, Gemma 3 12B 13 March 2025.

Choose Gemma 3 12B if…

  • API cost matters — $0.15/1M output tokens against $8.00/1M, about 53.3× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.05/1M against $2.00/1M.

Jamba Large 1.7 vs Gemma 3 12B: specs, pricing and context

Specification comparison of Jamba Large 1.7 and Gemma 3 12B
FieldJamba Large 1.7AI21 LabsGemma 3 12BGoogle
ModelCap Index position#113#175
Index score21.420.3
EvidenceEstimatedMeasured
Input price / 1M tokens$2.00$0.05
Output price / 1M tokens$8.00$0.15
Context window256K tokens131K tokens
Max output tokens4K16K
API providers listed11
Weight accessGated accessGated access
Input modalitiesTextText, Image
First listed8 August 202513 March 2025
PublisherAI21 LabsGoogle

Evidence: global corpus prior · leave-one-anchor-out calibrated · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Jamba Large 1.7 vs Gemma 3 12B

Public benchmark boards where Jamba Large 1.7 or Gemma 3 12B has a published result
BoardJamba Large 1.7Gemma 3 12BLeads
Arena codingArena (LMArena)—13161293–1340Only one result
BFCL V4UC Berkeley (Gorilla)—30.4PromptOnly one result
Artificial Analysis Intelligence IndexArtificial Analysis—5.5intelligence-indexOnly one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Jamba Large 1.7 vs Gemma 3 12B: common questions

Is Jamba Large 1.7 better than Gemma 3 12B?

Jamba Large 1.7 ranks higher on the ModelCap Index as of 18 August 2026: #113 against #175. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Jamba Large 1.7 cheaper than Gemma 3 12B?

Gemma 3 12B is cheaper on output tokens: $0.15/1M against $8.00/1M. Input tokens are $2.00/1M for Jamba Large 1.7 and $0.05/1M for Gemma 3 12B. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Jamba Large 1.7 or Gemma 3 12B?

Jamba Large 1.7 has the larger context window: 256K tokens against 131K.

Which is better for coding, Jamba Large 1.7 or Gemma 3 12B?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Jamba Large 1.7 and Gemma 3 12B open-weight models?

Jamba Large 1.7: Gated access. Gemma 3 12B: Gated access. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Jamba Large 1.7 and Gemma 3 12B?

ModelCap currently lists 1 API provider for Jamba Large 1.7 and 1 for Gemma 3 12B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Jamba Large 1.7 vs Gemma 3 12B comparison?

Every figure comes from the sealed ModelCap dataset published 18 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

Explore further