ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Solar Pro 3 vs Hy3 preview vs Jamba Mini

Too close to call on our weighted score (Jamba Mini 57, Hy3 preview 56, Solar Pro 3 55). The right pick depends on what you value most.

  1. Upstage

    Solar Pro 3

    Released Jan 2026

    55/100
    • ECI—
    • Price$0.25 / $0.25
    • Context131K
  2. Tencent

    Hy3 preview

    Released Apr 20, 2026

    56/100
    • ECI—
    • Price$0.176 / $0.586
    • Context256K
  3. AI21 Labs

    Jamba Mini

    Released Jan 1, 2026

    57/100
    • ECI—
    • Price$0.20 / $0.40
    • Context256K
01 — Verdict

Too close to call

It is close. Our weighted score puts them within 1 points (Jamba Mini 57/100, Hy3 preview 56/100, Solar Pro 3 55/100), so choose by what matters most for your work: Solar Pro 3 on price. 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 priceSolar Pro 3 and Jamba MiniSolar Pro 3 $0.25 · Jamba Mini $0.25 · Hy3 preview $0.279 per 1M tokens (3:1 blend)
  • Longest contextHy3 preview and Jamba MiniHy3 preview 256,000 · Jamba Mini 256,000 · Solar Pro 3 131,072 tokens
  • Widest inputsSame inputsSolar Pro 3: Text · Hy3 preview: Text · Jamba Mini: Text
  • Self-hostingHy3 preview and Jamba MiniPublishes downloadable weights
How the score is built
MeasureWeightSolar Pro 3Hy3 previewJamba Mini
Price50%787678
Inputs & features30%353535
Context window20%243636
Overall100%55/10056/10057/100

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.

Solar Pro 3 vs Hy3 preview vs Jamba Mini specifications side by side
SpecificationSolar Pro 3UpstageHy3 previewTencentJamba MiniAI21 Labs
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.25$0.176 (best)$0.20
Output$0.25 (best)$0.586$0.40
Cached input———
Blended (3:1)$0.25 (best)$0.279$0.25 (best)
Long-context rateSame rateSame rateSame rate
Price sourceOfficial Upstage APIMedian of 4 providersOfficial AI21 Labs API
Limits
Context window131,072 tokens256,000 tokens (best)256,000 tokens (best)
Max output8,192 tokens64,000 tokens (best)4,096 tokens
Inputs and features
TextYesYesYes
ImagesNoNoNo
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningYeslow · medium · highYeslow · medium · highNo
Tool callingYesYesYes
Structured outputNoNoYes
Availability
WeightsProprietaryOpenOpen
API model IDsolar-pro3hy3-previewjamba-mini
API providers25 (best)1
ReleasedJan 2026Apr 20, 2026Jan 1, 2026
Knowledge cutoffMar 2025—Aug 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.

  • Solar Pro 3$3.00
  • Hy3 preview$2.93
  • Jamba Mini$2.80
04 — Questions

Which should you choose?

Which is better: Solar Pro 3, Hy3 preview or Jamba Mini?

It is close. Our weighted score puts them within 1 points (Jamba Mini 57/100, Hy3 preview 56/100, Solar Pro 3 55/100), so choose by what matters most for your work: Solar Pro 3 on price. 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, Solar Pro 3, Hy3 preview or Jamba Mini?

Solar Pro 3 is cheaper at $0.25 input / $0.25 output per million tokens (official Upstage API price). Jamba Mini costs $0.20 input / $0.40 output per million tokens (official AI21 Labs API price); Hy3 preview costs $0.176 input / $0.586 output per million tokens (median across 4 API providers; free on Tencent TokenHub). At a typical mix of three input tokens to one output token, that is $0.25 per million tokens for Solar Pro 3 versus $0.25 for Jamba Mini (1× as much) and $0.279 for Hy3 preview (1.1× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Solar Pro 3 has not been scored yet, Hy3 preview has not been scored yet and Jamba Mini has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Solar Pro 3, Hy3 preview and Jamba Mini yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Hy3 preview and Jamba Mini have the largest context windows (256,000 and 256,000 tokens), against 131,072 for Solar Pro 3. Maximum output per response: Solar Pro 3 up to 8,192, Hy3 preview up to 64,000, Jamba Mini up to 4,096 tokens.

Which can read images, PDFs, audio or video?

Solar Pro 3 accepts text; Hy3 preview accepts text; Jamba Mini accepts text. They handle the same number of input types.

Are any of these open source?

Hy3 preview and Jamba Mini publishes its weights and can be self-hosted; Solar Pro 3 is proprietary.

Which is newer?

Hy3 preview is the newest, released Apr 20, 2026. Solar Pro 3 came out Jan 2026; Jamba Mini came out Jan 1, 2026. Knowledge cutoff: Solar Pro 3 Mar 2025, Jamba Mini 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 Oct 4, 2026.