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  5. Qwen3 30B A3B Instruct 2507vsSolar Pro 4
Updated Aug 2026

Qwen3 30B A3B Instruct 2507vsSolar Pro 4

Solar Pro 4 is cheaper than Qwen3 30B A3B Instruct 2507 at $0.09/M vs $0.2/M input tokens.

Qwen3 30B A3B Instruct 2507 and Solar Pro 4 compared across 14 shared prompts
SpecQwen3 30B A3B Instruct 2507Solar Pro 4
Input price$0.2/M tokens$0.09/M tokens
Output price$0.8/M tokens$0.36/M tokens
Context window131K tokens524K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedJul 2025Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 14 prompts both answered. Formatting stripped, words untouched.

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Qwen3 30B A3B Instruct 25071,617 words
If the transistor had been invented in 1920 instead of 1947, the ripple effects would be profound—reshaping technology, war, geopolitics, and society by 1980. This alternate history would not merely accelerate existing trends, but fundamentally reconstruct the trajectory of modern civilization.
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Solar Pro 41,638 words
The Premise: The 1920 Solid-State Breakthrough For this scenario to function, we must assume a functional point-contact or junction transistor is demonstrated in 1920 (perhaps by Lilienfeld or an early Bell Labs precursor), and crucially, that methods for purifying semiconductor materials (germanium/silicon) are solved…
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Qwen3 30B A3B Instruct 25071,408 words
CEO Action Plan: Immediate Response to Serious Undisclosed Safety Risk (48-Hour Timeline) Drug: Chronic Pain Therapeutic (Top-Selling, $2B/year, 4M patients) Issue: Previously Undetected Liver Failure Risk (1 in 8,000 over 5 years), missed in trials, not in labeling Core Principles Driving Decisions: Patient safety is…
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Solar Pro 41,851 words
As CEO, my overriding duty is to balance patient safety, legal/regulatory compliance, fiduciary responsibility, and long-term corporate survival. A 1-in-8,000 risk of liver failure is rare but severe, potentially fatal, and materially unexpected relative to the current label.
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Qwen3 30B A3B Instruct 2507207 words
Dish Name: Sunny Sauté Skillet Ingredients (7 pantry staples): Olive oil Garlic (fresh, minced) Dried spaghetti (or any short pasta) Canned crushed tomatoes Dried oregano Salt & black pepper Grated Parmesan cheese Instructions: Prep (5 mins): Bring a pot of salted water to a boil.
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Solar Pro 4294 words
🍝 Golden Umami Silk Noodles A savory-sweet pasta dish that transforms basic pantry staples into a glossy, flavorful meal. It's quick, comforting, and relies on the balance of soy, honey, and butter for a rich sauce without needing fresh produce.
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Qwen3 30B A3B Instruct 25071,728 words
The provided Software Consulting Agreement contains several clauses that are heavily one-sided in favor of the Client and could significantly disadvantage the Contractor, potentially rendering the agreement unenforceable or exploitative under contract law, fairness principles, and standard industry practices.
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Solar Pro 41,382 words
Disclaimer: I am an AI assistant and not an attorney. The following analysis is for informational purposes only and does not constitute legal advice. Contract laws vary significantly by jurisdiction (e.g., state, country).
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Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

Qwen3 30B A3B Instruct 2507969 words
1. To the experienced software engineer (distributed systems, APIs, skeptical of "next word" claims): You’re right to be skeptical—on the surface, “predict the next word” does sound like a glorified autocomplete.
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Solar Pro 41,062 words
The Experienced Software Engineer Think of the model not as a reasoning engine, but as a highly compressed, non-deterministic function approximator that maps a sequence of input tokens to a probability distribution over the next token.
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Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

Qwen3 30B A3B Instruct 25071,424 words
Your real-time collaborative document editor architecture is well-structured for a scalable, low-latency system — but it contains several critical failure modes, race conditions, and scaling bottlenecks that could degrade user experience or cause data loss.
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Solar Pro 41,598 words
This architecture contains several fundamental mismatches between real-time collaborative editing requirements and the chosen patterns. Below is a systematic breakdown of failure modes, race conditions, and scaling bottlenecks, each with a targeted solution and explicit trade-offs.
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Our Verdict
Solar Pro 4
Solar Pro 4
Qwen3 30B A3B Instruct 2507
Qwen3 30B A3B Instruct 2507Runner-up

Not enough votes to call it. On the specs, Solar Pro 4 has the edge: newer, bigger context window.

Too close to call
API pricing

Cost per 1M tokens

Qwen3 30B A3B Instruct 2507
Input
$0.20
Output
$0.80
Solar Pro 4
Input
$0.09
2.2× cheaper
Output
$0.36
2.2× cheaper

Solar Pro 4 is cheaper on both: 2.2× input, 2.2× output.

Where to run it

6 hosts, cheapest first

Qwen3 30B A3B Instruct 25075 hosts
HostInOutContextUptime
SStreamLake$0.05 in·$0.19 out·128k·98.5% upDDekaLLM$0.09 in·$0.30 out·262k·98.3% upSSiliconFlowfp8$0.09 in·$0.30 out·262k·95% upAlibaba Cloud$0.13 in·$0.52 out·131k·99.9% upNNebiusfp8degraded$0.10 in·$0.30 out·262k·92% up
Solar Pro 41 host
HostInOutContextUptime
UUpstage$0.09 in·$0.36 out·524k·99.8% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Qwen3 30B A3B Instruct 2507 is developed by Qwen while Solar Pro 4 is developed by Upstage. Qwen3 30B A3B Instruct 2507 has a 131K token context window vs Solar Pro 4's 524K. You can compare their actual outputs across 14 challenges on Rival to see how they differ in practice.

It depends on your use case. Qwen3 30B A3B Instruct 2507 and Solar Pro 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 14 challenges so you can judge which fits your needs best.

Qwen3 30B A3B Instruct 2507 costs $0.2/M input tokens and Solar Pro 4 costs $0.09/M input tokens. Solar Pro 4 is $0.11/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Qwen3 30B A3B Instruct 2507 and Solar Pro 4 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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Model pages

Qwen3 30B A3B Instruct 2507 logo
Qwen3 30B A3B Instruct 250759 outputs, specs and price
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Solar Pro 414 outputs, specs and price
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