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Comparison · 2 models · Updated Nov 2, 2026

Voxtral Small 24B 2507 vs Solar Pro 2

Voxtral Small 24B 2507 comes out ahead, 55 to 51 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Mistral AI

    Voxtral Small 24B 2507

    Released Jul 15, 2025

    55/100
    • ECI—
    • Price$0.10 / $0.40
    • Context33K
  2. Upstage

    Solar Pro 2

    Released May 20, 2025

    51/100
    • ECI—
    • Price$0.25 / $0.25
    • Context66K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Voxtral Small 24B 2507 is our pick

Voxtral Small 24B 2507 is the better all-round choice, scoring 55/100 against Solar Pro 2 (51). It leads on price and inputs & features. Solar Pro 2 wins on context window. 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 priceVoxtral Small 24B 2507Voxtral Small 24B 2507 $0.175 · Solar Pro 2 $0.25 per 1M tokens (3:1 blend)
  • Longest contextSolar Pro 2Solar Pro 2 65,536 · Voxtral Small 24B 2507 32,768 tokens
  • Widest inputsVoxtral Small 24B 2507Voxtral Small 24B 2507: Text, Audio · Solar Pro 2: Text
  • Self-hostingVoxtral Small 24B 2507Publishes downloadable weights (Apache 2.0)
How the score is built
MeasureWeightVoxtral Small 24B 2507Solar Pro 2
Price50%8275
Inputs & features30%4535
Context window20%012
Overall100%55/10051/100

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.

Voxtral Small 24B 2507 vs Solar Pro 2 specifications side by side
SpecificationVoxtral Small 24B 2507Mistral AISolar Pro 2Upstage
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.10 (best)$0.25
Output$0.40$0.25 (best)
Cached input——
Blended (3:1)$0.175 (best)$0.25
Long-context rateSame rateSame rate
Price sourceOfficial Mistral APIOfficial Upstage API
Limits
Context window32,768 tokens65,536 tokens (best)
Max output32,768 tokens (best)8,192 tokens
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioYesNo
VideoNoNo
ReasoningNoYesminimal · high
Tool callingYesYes
Structured outputYesNo
Availability
WeightsOpenApache 2.0Proprietary
API model IDvoxtral-small-latestsolar-pro2
API providers10 (best)2
ReleasedJul 15, 2025May 20, 2025
Knowledge cutoff—Mar 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.

  • Voxtral Small 24B 2507$1.80
  • Solar Pro 2$3.00
04 — Questions

Which should you choose?

Which is better: Voxtral Small 24B 2507 or Solar Pro 2?

Voxtral Small 24B 2507 is the better all-round choice, scoring 55/100 against Solar Pro 2 (51). It leads on price and inputs & features. Solar Pro 2 wins on context window. 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, Voxtral Small 24B 2507 or Solar Pro 2?

Voxtral Small 24B 2507 is cheaper at $0.10 input / $0.40 output per million tokens (official Mistral API price). Solar Pro 2 costs $0.25 input / $0.25 output per million tokens (official Upstage API price). At a typical mix of three input tokens to one output token, that is $0.175 per million tokens for Voxtral Small 24B 2507 versus $0.25 for Solar Pro 2 (1.4× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Voxtral Small 24B 2507 has not been scored yet and Solar Pro 2 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Voxtral Small 24B 2507 and Solar Pro 2 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?

Solar Pro 2 has the largest context window at 65,536 tokens, against 32,768 for Voxtral Small 24B 2507. Maximum output per response: Voxtral Small 24B 2507 up to 32,768, Solar Pro 2 up to 8,192 tokens.

Which can read images, PDFs, audio or video?

Voxtral Small 24B 2507 accepts text and audio; Solar Pro 2 accepts text. Voxtral Small 24B 2507 handles the widest range of inputs.

Are any of these open source?

Voxtral Small 24B 2507 publishes its weights (Apache 2.0) and can be self-hosted; Solar Pro 2 is proprietary.

Which is newer?

Voxtral Small 24B 2507 is the newest, released Jul 15, 2025. Solar Pro 2 came out May 20, 2025. Knowledge cutoff: Solar Pro 2 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 Nov 2, 2026.