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Head-to-head comparison

Qwen3 235B A22B Instruct 2507 vs Solar Open2 250B

Qwen3 235B A22B Instruct 2507 (Qwen) and Solar Open2 250B (Upstage) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, Solar Open2 250B holds the stronger ModelCap Index position (#47 vs #49); and Qwen3 235B A22B Instruct 2507 ships open weights.

Which should you choose?

Choose Qwen3 235B A22B Instruct 2507 if…

  • you want to self-host: Qwen3 235B A22B Instruct 2507 ships open weights while Solar Open2 250B is restricted license.
  • you want provider choice — 9 listed API providers against 0.

Choose Solar Open2 250B if…

  • you want the stronger overall ModelCap Index position — #47 against #49 (51.4 vs 50.4 points).
  • Artificial Analysis Intelligence Index is your yardstick — 37.4 against 18.4.
  • you want the more recently listed model — Solar Open2 250B was listed 22 July 2026, Qwen3 235B A22B Instruct 2507 21 July 2025.

Qwen3 235B A22B Instruct 2507 vs Solar Open2 250B: specs, pricing and context

Specification comparison of Qwen3 235B A22B Instruct 2507 and Solar Open2 250B
FieldQwen3 235B A22B Instruct 2507QwenSolar Open2 250BUpstage
ModelCap Index position#49#47
Index score50.451.4
EvidenceMeasuredMeasured
Input price / 1M tokens$0.09Unlisted
Output price / 1M tokens$0.55Unlisted
Context window262K tokens— tokens
Max output tokens16K—
API providers listed90
Weight accessOpen weightsRestricted license
Input modalitiesTextText
First listed21 July 202522 July 2026
PublisherQwenUpstage

Evidence: 3 public benchmark observations across 3 boards · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3 235B A22B Instruct 2507 vs Solar Open2 250B

Public benchmark boards where Qwen3 235B A22B Instruct 2507 or Solar Open2 250B has a published result
BoardQwen3 235B A22B Instruct 2507Solar Open2 250BLeads
Arena codingArena (LMArena)14721468–1477—Only one result
BFCL V4UC Berkeley (Gorilla)52.2Prompt—Only one result
Artificial Analysis Intelligence IndexArtificial Analysis18.4intelligence-index37.4intelligence-indexSolar Open2 250B

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Qwen3 235B A22B Instruct 2507 vs Solar Open2 250B: common questions

Is Qwen3 235B A22B Instruct 2507 better than Solar Open2 250B?

Solar Open2 250B ranks higher on the ModelCap Index as of 17 August 2026: #47 against #49. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Qwen3 235B A22B Instruct 2507 cheaper than Solar Open2 250B?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Qwen3 235B A22B Instruct 2507 or Solar Open2 250B?

Both publish a 262K-token context window.

Which is better for coding, Qwen3 235B A22B Instruct 2507 or Solar Open2 250B?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Qwen3 235B A22B Instruct 2507 and Solar Open2 250B open-weight models?

Qwen3 235B A22B Instruct 2507: Open weights. Solar Open2 250B: Restricted license. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Qwen3 235B A22B Instruct 2507 and Solar Open2 250B?

ModelCap currently lists 9 API providers for Qwen3 235B A22B Instruct 2507 and 0 for Solar Open2 250B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3 235B A22B Instruct 2507 vs Solar Open2 250B comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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