Model Comparison

Gemini 1.5 Flash vs Jamba 1.5 MiniWhich is better in 2026?

Gemini 1.5 Flash significantly outperforms across most benchmarks. Jamba 1.5 Mini is 1.0x cheaper per token.

Verdict: Gemini 1.5 Flash vs Jamba 1.5 Mini — which is better?

Gemini 1.5 Flash (by Google) and Jamba 1.5 Mini (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.

Gemini 1.5 Flash outperforms in 4 benchmarks (GPQA, GSM8k, MMLU, MMLU-Pro), while Jamba 1.5 Mini is better at 0 benchmarks. Gemini 1.5 Flash significantly outperforms across most benchmarks.

Gemini 1.5 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 1.5 Flash if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you process long inputs — it offers a 1,048,576 token context window

Choose Jamba 1.5 Mini if…

  • you want the most recent training data — it shipped Aug 2024
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 1.5 Flash outperforms in 4 benchmarks (GPQA, GSM8k, MMLU, MMLU-Pro), while Jamba 1.5 Mini is better at 0 benchmarks.

Gemini 1.5 Flash significantly outperforms across most benchmarks.

Mon Jun 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Jamba 1.5 Mini costs less

For input processing, Gemini 1.5 Flash ($0.15/1M tokens) is 1.3x cheaper than Jamba 1.5 Mini ($0.20/1M tokens).

For output processing, Gemini 1.5 Flash ($0.60/1M tokens) is 1.5x more expensive than Jamba 1.5 Mini ($0.40/1M tokens).

In conclusion, Gemini 1.5 Flash is more expensive than Jamba 1.5 Mini.*

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

Lowest available price from all providers
Mon Jun 15 2026 • llm-stats.com
Google
Gemini 1.5 Flash
Input tokens$0.15
Output tokens$0.60
Best providerGoogle
AI21 Labs
Jamba 1.5 Mini
Input tokens$0.20
Output tokens$0.40
Best providerAWS Bedrock
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Context Window

Maximum input and output token capacity

Gemini 1.5 Flash accepts 1,048,576 input tokens compared to Jamba 1.5 Mini's 256,144 tokens. Jamba 1.5 Mini can generate longer responses up to 256,144 tokens, while Gemini 1.5 Flash is limited to 8,192 tokens.

Google
Gemini 1.5 Flash
Input1,048,576 tokens
Output8,192 tokens
AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Mon Jun 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash supports multimodal inputs, whereas Jamba 1.5 Mini does not.

Gemini 1.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.5 Flash

Text
Images
Audio
Video

Jamba 1.5 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 1.5 Flash 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.

Gemini 1.5 Flash

Proprietary

Closed source

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Gemini 1.5 Flash was released on 2024-05-01, while Jamba 1.5 Mini was released on 2024-08-22.

Jamba 1.5 Mini is 4 months newer than Gemini 1.5 Flash.

Gemini 1.5 Flash

May 1, 2024

2.1 years ago

Jamba 1.5 Mini

Aug 22, 2024

1.8 years ago

3mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash has a knowledge cutoff of 2023-11-01, while Jamba 1.5 Mini has a cutoff of 2024-03-05.

Jamba 1.5 Mini has more recent training data (up to 2024-03-05), making it potentially better informed about events through that date compared to Gemini 1.5 Flash (2023-11-01).

Gemini 1.5 Flash

Nov 2023

Jamba 1.5 Mini

Mar 2024

4 mo newer

Provider Availability

Gemini 1.5 Flash is available from Google. Jamba 1.5 Mini is available from Bedrock, Google.

Gemini 1.5 Flash

google logo
Google
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Jamba 1.5 Mini

bedrock logo
AWS Bedrock
Input Price:Input: $0.20/1MOutput Price:Output: $0.40/1M
google logo
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

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Higher GPQA score (51.0% vs 32.3%)
Higher GSM8k score (86.2% vs 75.8%)
Higher MMLU score (78.9% vs 69.7%)
Higher MMLU-Pro score (67.3% vs 42.5%)
AI21 Labs
Less expensive output tokens
Has open weights
GoogleGemini 1.5 Flash
AI21 LabsJamba 1.5 Mini
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Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash
AI21 Labs
Jamba 1.5 Mini

FAQ

Common questions about Gemini 1.5 Flash vs Jamba 1.5 Mini.

Which is better, Gemini 1.5 Flash or Jamba 1.5 Mini?

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

How does Gemini 1.5 Flash compare to Jamba 1.5 Mini in benchmarks?

Gemini 1.5 Flash scores XSTest: 97.0%, FLEURS: 90.4%, HellaSwag: 86.5%, GSM8k: 86.2%, BIG-Bench Hard: 85.5%. Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%.

Is Gemini 1.5 Flash cheaper than Jamba 1.5 Mini?

Gemini 1.5 Flash is 1.3x cheaper for input tokens. Gemini 1.5 Flash costs $0.15/M input and $0.60/M output via google. Jamba 1.5 Mini costs $0.20/M input and $0.40/M output via bedrock.

What are the context window sizes for Gemini 1.5 Flash and Jamba 1.5 Mini?

Gemini 1.5 Flash supports 1.0M 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 Gemini 1.5 Flash and Jamba 1.5 Mini?

Key differences include context window (1.0M vs 256K), input pricing ($0.15 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 Gemini 1.5 Flash and Jamba 1.5 Mini?

Gemini 1.5 Flash is developed by Google and Jamba 1.5 Mini is developed by AI21 Labs.

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