Model Comparison

Jamba 1.5 Mini vs Mercury 2

Mercury 2 significantly outperforms across most benchmarks. Jamba 1.5 Mini is 1.5x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Jamba 1.5 Mini outperforms in 0 benchmarks, while Mercury 2 is better at 1 benchmark (GPQA).

Mercury 2 significantly outperforms across most benchmarks.

Wed Apr 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, Jamba 1.5 Mini ($0.20/1M tokens) is 1.3x cheaper than Mercury 2 ($0.25/1M tokens).

For output processing, Jamba 1.5 Mini ($0.40/1M tokens) is 1.9x cheaper than Mercury 2 ($0.75/1M tokens).

In conclusion, Mercury 2 is more expensive than Jamba 1.5 Mini.*

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

Lowest available price from all providers
Wed Apr 15 2026 • llm-stats.com
AI21 Labs
Jamba 1.5 Mini
Input tokens$0.20
Output tokens$0.40
Best providerAWS Bedrock
Inception
Mercury 2
Input tokens$0.25
Output tokens$0.75
Best providerInception
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 Mercury 2's 128,000 tokens. Jamba 1.5 Mini can generate longer responses up to 256,144 tokens, while Mercury 2 is limited to 8,192 tokens.

AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Inception
Mercury 2
Input128,000 tokens
Output8,192 tokens
Wed Apr 15 2026 • llm-stats.com

License

Usage and distribution terms

Jamba 1.5 Mini is licensed under Jamba Open Model License, while Mercury 2 uses a proprietary license.

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

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Mercury 2

Proprietary

Closed source

Release Timeline

When each model was launched

Jamba 1.5 Mini was released on 2024-08-22, while Mercury 2 was released on 2026-02-24.

Mercury 2 is 18 months newer than Jamba 1.5 Mini.

Jamba 1.5 Mini

Aug 22, 2024

1.6 years ago

Mercury 2

Feb 24, 2026

1 months ago

1.5yr newer

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while Mercury 2'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 Mercury 2's cutoff date.

Jamba 1.5 Mini

Mar 2024

Mercury 2

—

Provider Availability

Jamba 1.5 Mini is available from Bedrock, Google. Mercury 2 is available from Inception.

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

Mercury 2

inception logo
Inception
Input Price:Input: $0.25/1MOutput Price:Output: $0.75/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

AI21 Labs
Larger context window (256,144 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Inception
Higher GPQA score (74.0% vs 32.3%)

Detailed Comparison

AI Model Comparison Table
Feature
AI21 Labs
Jamba 1.5 Mini
Inception
Mercury 2

FAQ

Common questions about Jamba 1.5 Mini vs Mercury 2

Mercury 2 significantly outperforms across most benchmarks. Jamba 1.5 Mini is made by AI21 Labs and Mercury 2 is made by Inception. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%. Mercury 2 scores AIME 2025: 91.1%, GPQA: 74.0%, IFBench: 71.0%, LiveCodeBench: 67.0%, Tau2 Airline: 53.0%.
Jamba 1.5 Mini is 1.3x cheaper for input tokens. Jamba 1.5 Mini costs $0.20/M input and $0.40/M output via bedrock. Mercury 2 costs $0.25/M input and $0.75/M output via inception.
Jamba 1.5 Mini supports 256K tokens and Mercury 2 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (256K vs 128K), input pricing ($0.20 vs $0.25/M), licensing (Jamba Open Model License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.
Jamba 1.5 Mini is developed by AI21 Labs and Mercury 2 is developed by Inception.