Claude 2 vs 
GLM 5.3 Flash
GLM 5.3 Flash is cheaper than Claude 2 at $0.15/M vs $11.02/M input tokens.
Simple Falling Object Game
Catch the falling object. Paddle at the bottom, score at the top, one file.
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Which answer wins?
Written rounds
2 promptsSeven pantry ingredients, one dish, and a name worth saying out loud.
Claude 2: Here is a 7-ingredient recipe for a sweet dish I'll call "Cinnamon Apple Surprise": Cinnamon Apple Surprise Ingredients: 3 apples, cored and sliced 1⁄4 cup brown sugar 1⁄4 cup all-purpose flour 1 tsp ground cinnamon 1⁄4 tsp nutmeg 2 tbsp butter, melted 1 refrigerated pie crust Instructions: Preheat oven to 375°F.
GLM 5.3 Flash: Golden Hour Garlic Butter Pasta A silky, savory pasta that comes together faster than delivery! Ingredients (serves 2): 8 oz spaghetti or any pasta 4 tbsp butter 4 cloves garlic, minced (or 1 tsp garlic powder) ½ cup grated Parmesan cheese ½ cup pasta water (reserved) 1 tsp red pepper flakes Salt Prep time: 5 minutes…
One month, three habits, someone starting from nothing.
Claude 2: Here is a 1-month beginner health and longevity plan focused on diet, exercise, and sleep: Diet: Eliminate sugary drinks and limit sweets. Replace with water and fruits. Eat more veggies. Aim for 1-2 cups with each meal. Focus on dark leafy greens, broccoli, carrots. Increase fiber intake.
GLM 5.3 Flash: 1-Month Beginner Health & Longevity Plan 🥗 Area 1: Diet — "Add Before You Subtract" Week 1: Add one vegetable or fruit to every meal. Don't cut anything yet—just add. Week 2: Swap one sugary drink per day for water or unsweetened tea.
Price and specs
Not enough votes to call it. On the specs, GLM 5.3 Flash has the edge: newer, bigger context window. GLM 5.3 Flash costs 65x less per token.
| Spec | Claude 2 | GLM 5.3 Flash |
|---|---|---|
| Input price | $11.02/M tokens | $0.15/M tokens |
| Output price | $32.68/M tokens | $0.5/M tokens |
| Context window | 100K tokens | 1.3M tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Jun 2023 | Aug 2026 |
| At 10M a month | $110 | $1.50 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Claude 2
No hosts listed on OpenRouter.
GLM 5.3 Flash28 hosts
- OpenInferencefp4$0.03 in$0.84 out1M99% up
- Relace$0.04 in$0.50 out1M100% up
- StreamLakefp8$0.04 in$0.14 out1M100% up
- Sail Researchfp4$0.04 in$0.60 out1M99.9% up
- Wafer$0.06 in$0.50 out1M100% up
- Reka$0.06 in$1.60 out262k100% up
22 more hostsFewer hosts
- Inceptronfp8$0.07 in$0.55 out1M98.8% up
- InferenceNetfp4$0.07 in$0.05 out1M100% up
- DeepInfrafp4$0.07 in$0.25 out1M100% up
- GMI Cloudfp8$0.09 in$0.30 out1M99.7% up
- Decartfp4$0.09 in$0.31 out1M100% up
- Near AIfp8$0.10 in$0.35 out1M100% up
- Phalanvfp4$0.11 in$0.38 out1M99.9% up
- AtlasCloudfp8$0.15 in$0.50 out1M95.7% up
- Basetenfp8$0.15 in$0.50 out1M100% up
- CoreWeavenvfp4$0.15 in$0.50 out1M100% up
- Crusoefp4$0.15 in$0.50 out1M100% up
- DigitalOcean$0.15 in$0.50 out1M99.4% up
- Fireworks$0.15 in$0.50 out1M100% up
- Friendli$0.15 in$0.50 out1M100% up
- Modalnvfp4$0.15 in$0.50 out1M100% up
- Parasailfp4$0.15 in$0.50 out1M100% up
- SiliconFlowfp8$0.15 in$0.50 out1M87.7% up
- Together$0.15 in$0.50 out1M100% up
- Venice$0.15 in$0.50 out1M100% up
- Z.aifp8$0.15 in$0.50 out1M100% up
- Morphfp8$0.20 in$0.70 out1M95.8% up
- Novitafp8Degraded on OpenRouter when checked, 12 Oct 2026$0.08 in$0.28 out1M99% up
Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.
Common questions
What is the difference between Claude 2 and GLM 5.3 Flash?
Claude 2 is developed by Anthropic while GLM 5.3 Flash is developed by Zhipu AI. Claude 2 has a 100K token context window vs GLM 5.3 Flash's 1.3M. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.
Which is better, Claude 2 or GLM 5.3 Flash?
It depends on your use case. Claude 2 and GLM 5.3 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.
How much does Claude 2 cost compared to GLM 5.3 Flash?
Claude 2 costs $11.02/M input tokens and GLM 5.3 Flash costs $0.15/M input tokens. GLM 5.3 Flash is $10.87/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare Claude 2 and GLM 5.3 Flash on Rival?
This page shows a side-by-side comparison of Claude 2 and GLM 5.3 Flash 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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