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Model Comparison

Grok-1.5 vs Nova Micro

Nova Micro significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Grok-1.5 outperforms in 1 benchmarks (MMLU), while Nova Micro is better at 4 benchmarks (GPQA, GSM8k, HumanEval, MATH).

Nova Micro significantly outperforms across most benchmarks.

Thu Apr 23 2026 • llm-stats.com

Arena Performance

Human preference votes

CallingBox

Done comparing? Ship the phone agent.

One API for outbound and inbound calls.

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$0.05 /min all-in7 lines of code

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Thu Apr 23 2026 • llm-stats.com
xAI
Grok-1.5
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Amazon
Nova Micro
Input tokens$0.03
Output tokens$0.14
Best providerAWS Bedrock
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Context Window

Maximum input and output token capacity

Only Nova Micro specifies input context (128,000 tokens). Only Nova Micro specifies output context (128,000 tokens).

xAI
Grok-1.5
Input- tokens
Output- tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Thu Apr 23 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Grok-1.5

Proprietary

Closed source

Nova Micro

Proprietary

Closed source

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Nova Micro was released on 2024-11-20.

Nova Micro is 8 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.1 years ago

Nova Micro

Nov 20, 2024

1.4 years ago

7mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

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Key Takeaways

xAI
Higher MMLU score (81.3% vs 77.6%)
Amazon
Larger context window (128,000 tokens)
Higher GPQA score (40.0% vs 35.9%)
Higher GSM8k score (92.3% vs 90.0%)
Higher HumanEval score (81.1% vs 74.1%)
Higher MATH score (69.3% vs 50.6%)

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-1.5
Amazon
Nova Micro

FAQ

Common questions about Grok-1.5 vs Nova Micro

Nova Micro significantly outperforms across most benchmarks. Grok-1.5 is made by xAI and Nova Micro is made by Amazon. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%. Nova Micro scores GSM8k: 92.3%, ARC-C: 90.2%, Translation Set1→en COMET22: 88.7%, Translation en→Set1 COMET22: 88.5%, IFEval: 87.2%.
Grok-1.5 supports an unknown number of tokens and Nova Micro supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Grok-1.5 is developed by xAI and Nova Micro is developed by Amazon.