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Comparison · 2 models · Updated Oct 4, 2026

Jamba Mini vs Mistral Small 4

Mistral Small 4 comes out ahead, 64 to 57 on our weighted score.

  1. AI21 Labs

    Jamba Mini

    Released Jan 1, 2026

    57/100
    • ECI—
    • Price$0.20 / $0.40
    • Context256K
  2. Our pick

    Mistral AI

    Mistral Small 4

    Released Mar 16, 2026

    64/100
    • ECI—
    • Price$0.15 / $0.60
    • Context256K
  3. Add a model

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01 — Verdict

Mistral Small 4 is our pick

Mistral Small 4 is the better all-round choice, scoring 64/100 against Jamba Mini (57). It leads on inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. 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 MiniJamba Mini $0.25 · Mistral Small 4 $0.263 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameJamba Mini 256,000 · Mistral Small 4 256,000 tokens
  • Widest inputsMistral Small 4Jamba Mini: Text · Mistral Small 4: Text, Images
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightJamba MiniMistral Small 4
Price50%7877
Inputs & features30%3560
Context window20%3636
Overall100%57/10064/100

Left out because at least one model lacks the data: capability. 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.

Jamba Mini vs Mistral Small 4 specifications side by side
SpecificationJamba MiniAI21 LabsMistral Small 4Mistral AI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.20$0.15 (best)
Output$0.40 (best)$0.60
Cached input—$0.015
Blended (3:1)$0.25 (best)$0.263
Long-context rateSame rateSame rate
Price sourceOfficial AI21 Labs APIOfficial Mistral API
Limits
Context window256,000 tokens256,000 tokens
Max output4,096 tokens256,000 tokens (best)
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningNoYeshigh
Tool callingYesYes
Structured outputYesNo
Availability
WeightsOpenOpen
API model IDjamba-minimistral-small-2603
API providers116 (best)
ReleasedJan 1, 2026Mar 16, 2026
Knowledge cutoffAug 22, 2024Jun 2025
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.

  • Jamba Mini$2.80
  • Mistral Small 4$2.70
04 — Questions

Which should you choose?

Which is better: Jamba Mini or Mistral Small 4?

Mistral Small 4 is the better all-round choice, scoring 64/100 against Jamba Mini (57). It leads on inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Jamba Mini or Mistral Small 4?

Jamba Mini is cheaper at $0.20 input / $0.40 output per million tokens (official AI21 Labs API price). Mistral Small 4 costs $0.15 input / $0.60 output per million tokens (official Mistral API price). At a typical mix of three input tokens to one output token, that is $0.25 per million tokens for Jamba Mini versus $0.263 for Mistral Small 4 (1.1× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Jamba Mini has not been scored yet and Mistral Small 4 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Jamba Mini and Mistral Small 4 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Jamba Mini and Mistral Small 4 share the same 256,000-token context window. Maximum output per response: Jamba Mini up to 4,096, Mistral Small 4 up to 256,000 tokens.

Which can read images, PDFs, audio or video?

Jamba Mini accepts text; Mistral Small 4 accepts text and images. Mistral Small 4 handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights, so you can self-host them.

Which is newer?

Mistral Small 4 is the newest, released Mar 16, 2026. Jamba Mini came out Jan 1, 2026. Knowledge cutoff: Jamba Mini Aug 22, 2024, Mistral Small 4 Jun 2025.

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 Oct 4, 2026.