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Claude Opus 4 vs Grok-3 Mini
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 21.0% higher average benchmark score. Claude Opus 4 offers 192.0K more tokens in context window than Grok-3 Mini. Grok-3 Mini is $89.20 cheaper per million tokens. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
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Anthropic
Claude Opus 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 64.6% across 9 benchmarks. It excels particularly in MMMLU (88.8%), TAU-bench Retail (81.4%), GPQA (79.6%). It supports a 328K token context window for handling large documents. The model is available through 4 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
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xAI
Grok-3 Mini is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 87.8% across 4 benchmarks. It excels particularly in AIME 2024 (95.8%), AIME 2025 (90.8%), GPQA (84.0%). It supports a 136K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
3 months newer
Grok-3 Mini
xAI
2025-02-17
Claude Opus 4
Anthropic
2025-05-22
Pricing Comparison
Cost per million tokens (USD)
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Claude Opus 4
Input:$15.00
Output:$75.00
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Grok-3 Mini
Input:$0.30
Output:$0.50($89.20 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 11 common benchmarks
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Claude Opus 4
Average Score:52.9%(+21.0%)
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Grok-3 Mini
Average Score:31.9%
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Knowledge Cutoff
Training data recency comparison
Grok-3 Mini
2024-11-17
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Opus 4
4 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Opus 4
Avg Score:52.9%(+21.0%)
Providers:4
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Grok-3 Mini
Avg Score:31.9%
Providers:1