AI model comparisons
Find the right AI model before you commit
Compare 300+ AI models on benchmarks, pricing and context windows, then run the ones you can use at LLMBase with your own prompts. One subscription, 40+ models, each with its hosting shown.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-6 Astra (Max)
OpenAI
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Claude Opus 5.5 (Max, Default Fallback)
Anthropic
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Which answer was more useful?
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Test models on your own prompts
Put models side-by-side on your own prompts. LLMBase is operated by a German company and shows per model whether it is EU-hosted or processed by its provider.
Compare models in ChatCompare by Category
How to Compare AI Models
1. Choose Your Priorities
Decide what matters most: performance, cost, context window, or specific capabilities like coding or multimodal understanding.
2. Review Benchmarks
Check standardized benchmarks like GPQA (intelligence), HumanEval (coding), and MMLU (general knowledge) to compare objective performance.
3. Test With Your Use Case
Use our interactive comparison tool to test models with your actual prompts. Real-world performance often differs from benchmarks.
4. Consider Total Cost
Factor in both input and output pricing. Cheaper models may require more tokens to achieve similar results, affecting total cost. For sensitive data, also check where the model runs.