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Jamba 1.5 Large vs Phi 4 Reasoning Plus
Comprehensive side-by-side LLM comparison
Phi 4 Reasoning Plus leads with 21.5% higher average benchmark score. Jamba 1.5 Large is available on 2 providers. Overall, Phi 4 Reasoning Plus is the stronger choice for coding tasks.
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AI21 Labs
Jamba 1.5 Large is a language model developed by AI21 Labs. It achieves strong performance with an average score of 65.5% across 8 benchmarks. It excels particularly in ARC-C (93.0%), GSM8k (87.0%), MMLU (81.2%). It supports a 512K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents AI21 Labs's latest advancement in AI technology.
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Microsoft
Phi 4 Reasoning Plus is a language model developed by Microsoft. It achieves strong performance with an average score of 78.9% across 11 benchmarks. It excels particularly in FlenQA (97.9%), HumanEval+ (92.3%), IFEval (84.9%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Microsoft's latest advancement in AI technology.
8 months newer
Jamba 1.5 Large
AI21 Labs
2024-08-22
Phi 4 Reasoning Plus
Microsoft
2025-04-30
Performance Metrics
Context window and performance specifications
Average performance across 16 common benchmarks
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Jamba 1.5 Large
Average Score:32.7%
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Phi 4 Reasoning Plus
Average Score:54.2%(+21.5%)
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Knowledge Cutoff
Training data recency comparison
Jamba 1.5 Large
2024-03-05
Phi 4 Reasoning Plus
2025-03-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Jamba 1.5 Large
2 providers
Bedrock
Throughput: 100 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.3ms
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Phi 4 Reasoning Plus
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Jamba 1.5 Large
Avg Score:32.7%
Providers:2
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Phi 4 Reasoning Plus
Avg Score:54.2%(+21.5%)
Providers:0