Model Comparison

Grok-3 Mini vs Jamba 1.5 LargeWhich is better in 2026?

Grok-3 Mini significantly outperforms across most benchmarks. Grok-3 Mini is 10.0x cheaper per token.

Verdict: Grok-3 Mini vs Jamba 1.5 Large — which is better?

Grok-3 Mini (by xAI) and Jamba 1.5 Large (by AI21 Labs) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Grok-3 Mini outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Large is better at 0 benchmarks. Grok-3 Mini significantly outperforms across most benchmarks.

On price, Grok-3 Mini is roughly 10.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Jamba 1.5 Large also accepts a larger context window (256,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Grok-3 Mini if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • cost matters — it's about 10.0x cheaper per token
  • you want the most recent training data — it shipped Feb 2025

Choose Jamba 1.5 Large if…

  • you process long inputs — it offers a 256,000 token context window
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Grok-3 Mini outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Large is better at 0 benchmarks.

Grok-3 Mini significantly outperforms across most benchmarks.

Tue Jul 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-3 Mini costs less

For input processing, Grok-3 Mini ($0.30/1M tokens) is 6.7x cheaper than Jamba 1.5 Large ($2.00/1M tokens).

For output processing, Grok-3 Mini ($0.50/1M tokens) is 16.0x cheaper than Jamba 1.5 Large ($8.00/1M tokens).

In conclusion, Jamba 1.5 Large is more expensive than Grok-3 Mini.*

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

Lowest available price from all providers
Tue Jul 21 2026 • llm-stats.com
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
AI21 Labs
Jamba 1.5 Large
Input tokens$2.00
Output tokens$8.00
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Jamba 1.5 Large accepts 256,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Jamba 1.5 Large can generate longer responses up to 256,000 tokens, while Grok-3 Mini is limited to 8,000 tokens.

xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
AI21 Labs
Jamba 1.5 Large
Input256,000 tokens
Output256,000 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-3 Mini supports multimodal inputs, whereas Jamba 1.5 Large does not.

Grok-3 Mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-3 Mini

Text
Images
Audio
Video

Jamba 1.5 Large

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-3 Mini is licensed under a proprietary license, while Jamba 1.5 Large uses Jamba Open Model License.

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

Grok-3 Mini

Proprietary

Closed source

Jamba 1.5 Large

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Grok-3 Mini was released on 2025-02-17, while Jamba 1.5 Large was released on 2024-08-22.

Grok-3 Mini is 6 months newer than Jamba 1.5 Large.

Grok-3 Mini

Feb 17, 2025

1.4 years ago

5mo newer
Jamba 1.5 Large

Aug 22, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Grok-3 Mini has a knowledge cutoff of 2024-11-17, while Jamba 1.5 Large has a cutoff of 2024-03-05.

Grok-3 Mini has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to Jamba 1.5 Large (2024-03-05).

Grok-3 Mini

Nov 2024

8 mo newer
Jamba 1.5 Large

Mar 2024

Provider Availability

Grok-3 Mini is available from xAI. Jamba 1.5 Large is available from Bedrock, Google.

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M

Jamba 1.5 Large

bedrock logo
AWS Bedrock
Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M
google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

xAI
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (84.0% vs 36.9%)
AI21 Labs
Larger context window (256,000 tokens)
Has open weights
xAIGrok-3 Mini
AI21 LabsJamba 1.5 Large
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok-3 Mini and Jamba 1.5 Large side-by-side, then vote on the output you prefer.

Grok-3 Mini
✓ Preferred
Jamba 1.5 Large
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok-3 Mini
AI21 Labs
Jamba 1.5 Large

FAQ

Common questions about Grok-3 Mini vs Jamba 1.5 Large.

Which is better, Grok-3 Mini or Jamba 1.5 Large?

Grok-3 Mini significantly outperforms across most benchmarks. Grok-3 Mini is made by xAI and Jamba 1.5 Large is made by AI21 Labs. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-3 Mini compare to Jamba 1.5 Large in benchmarks?

Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%. Jamba 1.5 Large scores ARC-C: 93.0%, GSM8k: 87.0%, MMLU: 81.2%, Arena Hard: 65.4%, TruthfulQA: 58.3%.

Is Grok-3 Mini cheaper than Jamba 1.5 Large?

Grok-3 Mini is 6.7x cheaper for input tokens. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai. Jamba 1.5 Large costs $2.00/M input and $8.00/M output via bedrock.

What are the context window sizes for Grok-3 Mini and Jamba 1.5 Large?

Grok-3 Mini supports 128K tokens and Jamba 1.5 Large 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-3 Mini and Jamba 1.5 Large?

Key differences include context window (128K vs 256K), input pricing ($0.30 vs $2.00/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-3 Mini and Jamba 1.5 Large?

Grok-3 Mini is developed by xAI and Jamba 1.5 Large is developed by AI21 Labs.

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