Model Comparison

Gemini 2.5 Flash vs Jamba 1.5 Large

Gemini 2.5 Flash significantly outperforms across most benchmarks. Gemini 2.5 Flash is 4.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 2.5 Flash outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Large is better at 0 benchmarks.

Gemini 2.5 Flash significantly outperforms across most benchmarks.

Sat May 02 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.5 Flash costs less

For input processing, Gemini 2.5 Flash ($0.30/1M tokens) is 6.7x cheaper than Jamba 1.5 Large ($2.00/1M tokens).

For output processing, Gemini 2.5 Flash ($2.50/1M tokens) is 3.2x cheaper than Jamba 1.5 Large ($8.00/1M tokens).

In conclusion, Jamba 1.5 Large is more expensive than Gemini 2.5 Flash.*

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

Lowest available price from all providers
Sat May 02 2026 • llm-stats.com
Google
Gemini 2.5 Flash
Input tokens$0.30
Output tokens$2.50
Best providerGoogle
AI21 Labs
Jamba 1.5 Large
Input tokens$2.00
Output tokens$8.00
Best providerAWS Bedrock
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Context Window

Maximum input and output token capacity

Gemini 2.5 Flash accepts 1,048,576 input tokens compared to Jamba 1.5 Large's 256,000 tokens. Jamba 1.5 Large can generate longer responses up to 256,000 tokens, while Gemini 2.5 Flash is limited to 65,536 tokens.

Google
Gemini 2.5 Flash
Input1,048,576 tokens
Output65,536 tokens
AI21 Labs
Jamba 1.5 Large
Input256,000 tokens
Output256,000 tokens
Sat May 02 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.5 Flash supports multimodal inputs, whereas Jamba 1.5 Large does not.

Gemini 2.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Flash

Text
Images
Audio
Video

Jamba 1.5 Large

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.5 Flash 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.

Gemini 2.5 Flash

Proprietary

Closed source

Jamba 1.5 Large

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Flash was released on 2025-05-20, while Jamba 1.5 Large was released on 2024-08-22.

Gemini 2.5 Flash is 9 months newer than Jamba 1.5 Large.

Gemini 2.5 Flash

May 20, 2025

11 months ago

9mo newer
Jamba 1.5 Large

Aug 22, 2024

1.7 years ago

Knowledge Cutoff

When training data ends

Gemini 2.5 Flash has a knowledge cutoff of 2025-01-31, while Jamba 1.5 Large has a cutoff of 2024-03-05.

Gemini 2.5 Flash has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to Jamba 1.5 Large (2024-03-05).

Gemini 2.5 Flash

Jan 2025

10 mo newer
Jamba 1.5 Large

Mar 2024

Provider Availability

Gemini 2.5 Flash is available from Google. Jamba 1.5 Large is available from Bedrock, Google.

Gemini 2.5 Flash

google logo
Google
Input Price:Input: $0.30/1MOutput Price:Output: $2.50/1M

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

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (82.8% vs 36.9%)
AI21 Labs
Has open weights
GoogleGemini 2.5 Flash
AI21 LabsJamba 1.5 Large
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Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 2.5 Flash
AI21 Labs
Jamba 1.5 Large

FAQ

Common questions about Gemini 2.5 Flash vs Jamba 1.5 Large

Gemini 2.5 Flash significantly outperforms across most benchmarks. Gemini 2.5 Flash is made by Google 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.
Gemini 2.5 Flash scores Global-MMLU-Lite: 88.4%, AIME 2024: 88.0%, FACTS Grounding: 85.3%, GPQA: 82.8%, MMMU: 79.7%. Jamba 1.5 Large scores ARC-C: 93.0%, GSM8k: 87.0%, MMLU: 81.2%, Arena Hard: 65.4%, TruthfulQA: 58.3%.
Gemini 2.5 Flash is 6.7x cheaper for input tokens. Gemini 2.5 Flash costs $0.30/M input and $2.50/M output via google. Jamba 1.5 Large costs $2.00/M input and $8.00/M output via bedrock.
Gemini 2.5 Flash supports 1.0M 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.
Key differences include context window (1.0M 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.
Gemini 2.5 Flash is developed by Google and Jamba 1.5 Large is developed by AI21 Labs.