Model Comparison

Jamba 1.5 Mini vs Kimi K2 0905

Kimi K2 0905 significantly outperforms across most benchmarks. Jamba 1.5 Mini is 4.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Jamba 1.5 Mini outperforms in 0 benchmarks, while Kimi K2 0905 is better at 3 benchmarks (GPQA, MMLU, MMLU-Pro).

Kimi K2 0905 significantly outperforms across most benchmarks.

Thu May 14 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 3.0x cheaper than Kimi K2 0905 ($0.60/1M tokens).

For output processing, Jamba 1.5 Mini ($0.40/1M tokens) is 6.3x cheaper than Kimi K2 0905 ($2.50/1M tokens).

In conclusion, Kimi K2 0905 is more expensive than Jamba 1.5 Mini.*

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

Lowest available price from all providers

Thu May 14 2026 • llm-stats.com

Jamba 1.5 Mini

Input tokens$0.20

Output tokens$0.40

Best providerAWS Bedrock

Kimi K2 0905

Input tokens$0.60

Output tokens$2.50

Best providerNovita

Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

948.0B diff

Kimi K2 0905 has 948.0B more parameters than Jamba 1.5 Mini, making it 1823.1% larger.

Jamba 1.5 Mini

52.0Bparameters

Kimi K2 0905

1.0Tparameters

52.0B

Jamba 1.5 Mini

1000.0B

Kimi K2 0905

Context Window

Maximum input and output token capacity

Kimi K2 0905 accepts 262,144 input tokens compared to Jamba 1.5 Mini's 256,144 tokens. Kimi K2 0905 can generate longer responses up to 262,144 tokens, while Jamba 1.5 Mini is limited to 256,144 tokens.

Jamba 1.5 Mini

Input256,144 tokens

Output256,144 tokens

Kimi K2 0905

Input262,144 tokens

Output262,144 tokens

Thu May 14 2026 • llm-stats.com

License

Usage and distribution terms

Jamba 1.5 Mini is licensed under Jamba Open Model License, while Kimi K2 0905 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

Kimi K2 0905

Proprietary

Closed source

Release Timeline

When each model was launched

Jamba 1.5 Mini was released on 2024-08-22, while Kimi K2 0905 was released on 2025-09-05.

Kimi K2 0905 is 13 months newer than Jamba 1.5 Mini.

Jamba 1.5 Mini

Aug 22, 2024

1.7 years ago

Kimi K2 0905

Sep 5, 2025

8 months ago

1.0yr newer

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while Kimi K2 0905'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 Kimi K2 0905's cutoff date.

Jamba 1.5 Mini

Mar 2024

Kimi K2 0905

—

Provider Availability

Jamba 1.5 Mini is available from Bedrock, Google. Kimi K2 0905 is available from Novita.

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

Kimi K2 0905

Novita

Input Price:Input: $0.60/1MOutput Price:Output: $2.50/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Jamba 1.5 Mini

View details

AI21 Labs

Less expensive input tokens

Less expensive output tokens

Has open weights

Kimi K2 0905

View details

Moonshot AI

Larger context window (262,144 tokens)

Higher GPQA score (75.8% vs 32.3%)

Higher MMLU score (90.2% vs 69.7%)

Higher MMLU-Pro score (82.5% vs 42.5%)

Detailed Comparison

AI Model Comparison Table
Feature	Jamba 1.5 Mini	Kimi K2 0905

FAQ

Common questions about Jamba 1.5 Mini vs Kimi K2 0905.

Which is better, Jamba 1.5 Mini or Kimi K2 0905?

Kimi K2 0905 significantly outperforms across most benchmarks. Jamba 1.5 Mini is made by AI21 Labs and Kimi K2 0905 is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Jamba 1.5 Mini compare to Kimi K2 0905 in benchmarks?

Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%. Kimi K2 0905 scores HumanEval: 94.5%, MMLU: 90.2%, MATH: 89.1%, MMLU-Pro: 82.5%, GPQA: 75.8%.

Is Jamba 1.5 Mini cheaper than Kimi K2 0905?

Jamba 1.5 Mini is 3.0x cheaper for input tokens. Jamba 1.5 Mini costs $0.20/M input and $0.40/M output via bedrock. Kimi K2 0905 costs $0.60/M input and $2.50/M output via novita.

What are the context window sizes for Jamba 1.5 Mini and Kimi K2 0905?

Jamba 1.5 Mini supports 256K tokens and Kimi K2 0905 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Jamba 1.5 Mini and Kimi K2 0905?

Key differences include context window (256K vs 262K), input pricing ($0.20 vs $0.60/M), licensing (Jamba Open Model License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Jamba 1.5 Mini and Kimi K2 0905?

Jamba 1.5 Mini is developed by AI21 Labs and Kimi K2 0905 is developed by Moonshot AI.