Model Comparison

Grok-4.1 vs Jamba 1.5 Mini

Comparing Grok-4.1 and Jamba 1.5 Mini across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok-4.1 and Jamba 1.5 Mini don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Jamba 1.5 Mini costs less

For input processing, Grok-4.1 ($3.00/1M tokens) is 15.0x more expensive than Jamba 1.5 Mini ($0.20/1M tokens).

For output processing, Grok-4.1 ($15.00/1M tokens) is 37.5x more expensive than Jamba 1.5 Mini ($0.40/1M tokens).

In conclusion, Grok-4.1 is more expensive than Jamba 1.5 Mini.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Tue May 12 2026 • llm-stats.com

Grok-4.1

Input tokens$3.00

Output tokens$15.00

Best providerxAI

Jamba 1.5 Mini

Input tokens$0.20

Output tokens$0.40

Best providerAWS Bedrock

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Jamba 1.5 Mini accepts 256,144 input tokens compared to Grok-4.1's 256,000 tokens. Jamba 1.5 Mini can generate longer responses up to 256,144 tokens, while Grok-4.1 is limited to 8,000 tokens.

Grok-4.1

Input256,000 tokens

Output8,000 tokens

Jamba 1.5 Mini

Input256,144 tokens

Output256,144 tokens

Tue May 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-4.1 supports multimodal inputs, whereas Jamba 1.5 Mini does not.

Grok-4.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-4.1

Text

Images

Audio

Video

Jamba 1.5 Mini

Text

Images

Audio

Video

License

Usage and distribution terms

Grok-4.1 is licensed under a proprietary license, while Jamba 1.5 Mini uses Jamba Open Model License.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-4.1

Proprietary

Closed source

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Grok-4.1 was released on 2025-11-17, while Jamba 1.5 Mini was released on 2024-08-22.

Grok-4.1 is 15 months newer than Jamba 1.5 Mini.

Grok-4.1

Nov 17, 2025

5 months ago

1.2yr newer

Jamba 1.5 Mini

Aug 22, 2024

1.7 years ago

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while Grok-4.1's cutoff date is not specified.

We can confirm Jamba 1.5 Mini's training data extends to 2024-03-05, but cannot make a direct comparison without Grok-4.1's cutoff date.

Grok-4.1

—

Jamba 1.5 Mini

Mar 2024

Provider Availability

Grok-4.1 is available from xAI. Jamba 1.5 Mini is available from Bedrock, Google.

Grok-4.1

xAI

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Jamba 1.5 Mini

AWS Bedrock

Input Price:Input: $0.20/1MOutput Price:Output: $0.40/1M

Google

Input Price:Input: $0.20/1MOutput Price:Output: $0.40/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Grok-4.1

View details

xAI

Supports multimodal inputs

Jamba 1.5 Mini

View details

AI21 Labs

Larger context window (256,144 tokens)

Less expensive input tokens

Less expensive output tokens

Has open weights

Detailed Comparison

AI Model Comparison Table
Feature	Grok-4.1	Jamba 1.5 Mini

FAQ

Common questions about Grok-4.1 vs Jamba 1.5 Mini.

Which is better, Grok-4.1 or Jamba 1.5 Mini?

Grok-4.1 (xAI) and Jamba 1.5 Mini (AI21 Labs) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok-4.1 compare to Jamba 1.5 Mini in benchmarks?

Grok-4.1 scores FActScore: 97.0%, Creative Writing v3: 85.4%, EQ-Bench: 79.3%, LMArena Text Leaderboard: 73.3%. Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%.

Is Grok-4.1 cheaper than Jamba 1.5 Mini?

Jamba 1.5 Mini is 15.0x cheaper for input tokens. Grok-4.1 costs $3.00/M input and $15.00/M output via xai. Jamba 1.5 Mini costs $0.20/M input and $0.40/M output via bedrock.

What are the context window sizes for Grok-4.1 and Jamba 1.5 Mini?

Grok-4.1 supports 256K tokens and Jamba 1.5 Mini supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-4.1 and Jamba 1.5 Mini?

Key differences include context window (256K vs 256K), input pricing ($3.00 vs $0.20/M), multimodal support (yes vs no), licensing (Proprietary vs Jamba Open Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4.1 and Jamba 1.5 Mini?

Grok-4.1 is developed by xAI and Jamba 1.5 Mini is developed by AI21 Labs.