ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Jamba Mini vs Solar Pro 3

Too close to call on our weighted score (Jamba Mini 57, Solar Pro 3 55). The right pick depends on what you value most.

  1. AI21 Labs

    Jamba Mini

    Released Jan 1, 2026

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

    Solar Pro 3

    Released Jan 2026

    55/100
    • ECI—
    • Price$0.25 / $0.25
    • Context131K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Too close to call

It is close. Our weighted score puts them within 2 points (Jamba Mini 57/100, Solar Pro 3 55/100), so choose by what matters most for your work: Jamba Mini on price and Jamba Mini for long inputs. 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 priceSame priceJamba Mini $0.25 · Solar Pro 3 $0.25 per 1M tokens (3:1 blend)
  • Longest contextJamba MiniJamba Mini 256,000 · Solar Pro 3 131,072 tokens
  • Widest inputsSame inputsJamba Mini: Text · Solar Pro 3: Text
  • Self-hostingJamba MiniPublishes downloadable weights
How the score is built
MeasureWeightJamba MiniSolar Pro 3
Price50%7878
Inputs & features30%3535
Context window20%3624
Overall100%57/10055/100

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 Solar Pro 3 specifications side by side
SpecificationJamba MiniAI21 LabsSolar Pro 3Upstage
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.20 (best)$0.25
Output$0.40$0.25 (best)
Cached input——
Blended (3:1)$0.25$0.25
Long-context rateSame rateSame rate
Price sourceOfficial AI21 Labs APIOfficial Upstage API
Limits
Context window256,000 tokens (best)131,072 tokens
Max output4,096 tokens8,192 tokens (best)
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningNoYeslow · medium · high
Tool callingYesYes
Structured outputYesNo
Availability
WeightsOpenProprietary
API model IDjamba-minisolar-pro3
API providers12 (best)
ReleasedJan 1, 2026Jan 2026
Knowledge cutoffAug 22, 2024Mar 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
  • Solar Pro 3$3.00
04 — Questions

Which should you choose?

Which is better: Jamba Mini or Solar Pro 3?

It is close. Our weighted score puts them within 2 points (Jamba Mini 57/100, Solar Pro 3 55/100), so choose by what matters most for your work: Jamba Mini on price and Jamba Mini for long inputs. 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 Solar Pro 3?

Jamba Mini and Solar Pro 3 cost the same: $0.20 input / $0.40 output per million tokens.

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Jamba Mini has not been scored yet and Solar Pro 3 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Jamba Mini and Solar Pro 3 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 has the largest context window at 256,000 tokens, against 131,072 for Solar Pro 3. Maximum output per response: Jamba Mini up to 4,096, Solar Pro 3 up to 8,192 tokens.

Which can read images, PDFs, audio or video?

Jamba Mini accepts text; Solar Pro 3 accepts text. They handle the same number of input types.

Are any of these open source?

Jamba Mini publishes its weights and can be self-hosted; Solar Pro 3 is proprietary.

Which is newer?

Jamba Mini is the newest, released Jan 1, 2026. Solar Pro 3 came out Jan 2026. Knowledge cutoff: Jamba Mini Aug 22, 2024, Solar Pro 3 Mar 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.