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Head-to-head comparison

Qwen3 Next 80B A3B Instruct vs Solar Pro 4

Qwen3 Next 80B A3B Instruct (Qwen) and Solar Pro 4 (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 22 August 2026

As of 22 August 2026, Solar Pro 4 holds the stronger ModelCap Index position (#58 vs #61); Solar Pro 4 is 9.2× cheaper per output token ($0.12/1M vs $1.10/1M); Solar Pro 4 offers the longer context window (524K vs 262K tokens); and Qwen3 Next 80B A3B Instruct ships open weights.

Which should you choose?

Choose Qwen3 Next 80B A3B Instruct if…

  • you want to self-host: Qwen3 Next 80B A3B Instruct ships open weights while Solar Pro 4 is api only.
  • you want provider choice — 5 listed API providers against 1.

Choose Solar Pro 4 if…

  • you want the stronger overall ModelCap Index position — #58 against #61 (46.8 vs 44.0 points).
  • API cost matters — $0.12/1M output tokens against $1.10/1M, about 9.2× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.03/1M against $0.10/1M.
  • you need the longer context window — 524K tokens against 262K.
  • Arena coding is your yardstick — 1450 against 1446.
  • Artificial Analysis Intelligence Index is your yardstick — 41.6 against 13.8.
  • you want the more recently listed model — Solar Pro 4 was listed 10 August 2026, Qwen3 Next 80B A3B Instruct 11 September 2025.

Qwen3 Next 80B A3B Instruct vs Solar Pro 4: specs, pricing and context

Specification comparison of Qwen3 Next 80B A3B Instruct and Solar Pro 4
FieldQwen3 Next 80B A3B InstructQwenSolar Pro 4Upstage
ModelCap Index position#61#58
Index score44.046.8
EvidenceMeasuredMeasured
Input price / 1M tokens$0.10$0.03
Output price / 1M tokens$1.10$0.12
Context window262K tokens524K tokens
Max output tokens262K131K
API providers listed51
Weight accessOpen weightsAPI only
Input modalitiesTextText
First listed11 September 202510 August 2026
PublisherQwenUpstage

Evidence: 3 public benchmark observations across 3 boards · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3 Next 80B A3B Instruct vs Solar Pro 4

Public benchmark boards where Qwen3 Next 80B A3B Instruct or Solar Pro 4 has a published result
BoardQwen3 Next 80B A3B InstructSolar Pro 4Leads
Arena codingArena (LMArena)14461437–145414501427–1473Solar Pro 4
LMArena AgentLMArena—-10.8%-13.2%–-8.4%Only one result
Artificial Analysis Intelligence IndexArtificial Analysis13.8intelligence-index41.6intelligence-indexSolar Pro 4

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 Next 80B A3B Instruct vs Solar Pro 4: common questions

Is Qwen3 Next 80B A3B Instruct better than Solar Pro 4?

Solar Pro 4 ranks higher on the ModelCap Index as of 22 August 2026: #58 against #61. 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 Next 80B A3B Instruct cheaper than Solar Pro 4?

Solar Pro 4 is cheaper on output tokens: $0.12/1M against $1.10/1M. Input tokens are $0.10/1M for Qwen3 Next 80B A3B Instruct and $0.03/1M for Solar Pro 4. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Qwen3 Next 80B A3B Instruct or Solar Pro 4?

Solar Pro 4 has the larger context window: 524K tokens against 262K.

Which is better for coding, Qwen3 Next 80B A3B Instruct or Solar Pro 4?

Arena coding: Qwen3 Next 80B A3B Instruct 1446, Solar Pro 4 1450 — Solar Pro 4 leads.

Are Qwen3 Next 80B A3B Instruct and Solar Pro 4 open-weight models?

Qwen3 Next 80B A3B Instruct: Open weights. Solar Pro 4: API only. 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 Next 80B A3B Instruct and Solar Pro 4?

ModelCap currently lists 5 API providers for Qwen3 Next 80B A3B Instruct and 1 for Solar Pro 4, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3 Next 80B A3B Instruct vs Solar Pro 4 comparison?

Every figure comes from the sealed ModelCap dataset published 22 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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