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Comparison · 2 models · Updated Nov 2, 2026

Gemma 3n E4B IT vs Jamba Large

Jamba Large comes out ahead, 35 to 21 on our weighted score, and it is the cheaper option too.

  1. Google

    Gemma 3n E4B IT

    Released Jun 26, 2025

    21/100
    • ECI—
    • Price—
    • Context33K
    Full specs Remove Gemma 3n E4B IT
  2. Our pick

    AI21 Labs

    Jamba Large

    Released Jul 3, 2025

    35/100
    • ECI—
    • Price$2.00 / $8.00
    • Context256K
    Full specs Remove Jamba Large

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Jamba Large is our pick

Jamba Large is the better all-round choice, scoring 35/100 against Gemma 3n E4B IT (21). It leads on context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceJamba LargeJamba Large $3.50 per 1M tokens (3:1 blend) · Gemma 3n E4B IT unpriced
  • Longest contextJamba LargeJamba Large 256,000 · Gemma 3n E4B IT 32,768 tokens
  • Widest inputsGemma 3n E4B ITGemma 3n E4B IT: Text, Images, Audio · Jamba Large: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightGemma 3n E4B ITJamba Large
Inputs & features60%3535
Context window40%036
Overall100%21/10035/100

Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Gemma 3n E4B IT vs Jamba Large specifications side by side
SpecificationGemma 3n E4B ITGoogleJamba LargeAI21 Labs
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input—$2.00
Output—$8.00
Cached input——
Blended (3:1)—$3.50
Long-context rate—Same rate
Price source—Official AI21 Labs API
Limits
Context window32,768 tokens256,000 tokens (best)
Max output32,768 tokens (best)4,096 tokens
Inputs and features
TextYesYes
ImagesYesNo
PDFsNoNo
AudioYesNo
VideoNoNo
ReasoningNoNo
Tool callingNoYes
Structured outputNoYes
Availability
WeightsOpenGemma Terms of UseOpen
API model ID—jamba-large
API providers—1
ReleasedJun 26, 2025Jul 3, 2025
Knowledge cutoffJun 2024Aug 22, 2024
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Gemma 3n E4B IT—
  • Jamba Large$36.00
04 — Questions

Which should you choose?

Which is better: Gemma 3n E4B IT or Jamba Large?

Jamba Large is the better all-round choice, scoring 35/100 against Gemma 3n E4B IT (21). It leads on context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Gemma 3n E4B IT or Jamba Large?

Jamba Large is cheaper at $2.00 input / $8.00 output per million tokens (official AI21 Labs API price). . At a typical mix of three input tokens to one output token, that is $3.50 per million tokens for Jamba Large versus . Gemma 3n E4B IT has no published per-token price.

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Gemma 3n E4B IT has not been scored yet and Jamba Large has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Gemma 3n E4B IT and Jamba Large yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Gemma 3n E4B IT does not support tool calling, which most coding agents need.

Which has the bigger context window?

Jamba Large has the largest context window at 256,000 tokens, against 32,768 for Gemma 3n E4B IT. Maximum output per response: Gemma 3n E4B IT up to 32,768, Jamba Large up to 4,096 tokens.

Which can read images, PDFs, audio or video?

Gemma 3n E4B IT accepts text, images and audio; Jamba Large accepts text. Gemma 3n E4B IT handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights (Gemma Terms of Use), so you can self-host them.

Which is newer?

Jamba Large is the newest, released Jul 3, 2025. Gemma 3n E4B IT came out Jun 26, 2025. Knowledge cutoff: Gemma 3n E4B IT Jun 2024, Jamba Large Aug 22, 2024.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.

05 — Keep comparing

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