Model Comparison

Claude 3 Opus vs Jamba 1.5 MiniWhich is better in 2026?

Claude 3 Opus significantly outperforms across most benchmarks. Jamba 1.5 Mini is 120.0x cheaper per token.

Verdict: Claude 3 Opus vs Jamba 1.5 Mini — which is better?

Claude 3 Opus (by Anthropic) 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.

Claude 3 Opus outperforms in 5 benchmarks (ARC-C, GPQA, GSM8k, MMLU, MMLU-Pro), while Jamba 1.5 Mini is better at 0 benchmarks. Claude 3 Opus significantly outperforms across most benchmarks.

On price, Jamba 1.5 Mini is roughly 120.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Jamba 1.5 Mini also accepts a larger context window (256,144 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude 3 Opus if…

  • you want the strongest raw capability — it leads on 5 of 5 shared benchmarks

Choose Jamba 1.5 Mini if…

  • cost matters — it's about 120.0x cheaper per token
  • you process long inputs — it offers a 256,144 token context window
  • 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

5 benchmarks

Claude 3 Opus outperforms in 5 benchmarks (ARC-C, GPQA, GSM8k, MMLU, MMLU-Pro), while Jamba 1.5 Mini is better at 0 benchmarks.

Claude 3 Opus significantly outperforms across most benchmarks.

Sat Jun 13 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, Claude 3 Opus ($15.00/1M tokens) is 75.0x more expensive than Jamba 1.5 Mini ($0.20/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) is 187.5x more expensive than Jamba 1.5 Mini ($0.40/1M tokens).

In conclusion, Claude 3 Opus is more expensive than Jamba 1.5 Mini.*

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

Lowest available price from all providers
Sat Jun 13 2026 • llm-stats.com
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
AI21 Labs
Jamba 1.5 Mini
Input tokens$0.20
Output tokens$0.40
Best providerAWS Bedrock
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 Claude 3 Opus's 200,000 tokens. Jamba 1.5 Mini can generate longer responses up to 256,144 tokens, while Claude 3 Opus is limited to 200,000 tokens.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Sat Jun 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Opus supports multimodal inputs, whereas Jamba 1.5 Mini does not.

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

Claude 3 Opus

Text
Images
Audio
Video

Jamba 1.5 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Opus 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.

Claude 3 Opus

Proprietary

Closed source

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Jamba 1.5 Mini was released on 2024-08-22.

Jamba 1.5 Mini is 6 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.3 years ago

Jamba 1.5 Mini

Aug 22, 2024

1.8 years ago

5mo newer

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while Claude 3 Opus'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 Claude 3 Opus's cutoff date.

Claude 3 Opus

—

Jamba 1.5 Mini

Mar 2024

Provider Availability

Claude 3 Opus is available from Anthropic, Bedrock, Google. Jamba 1.5 Mini is available from Bedrock, Google.

Claude 3 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

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

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Supports multimodal inputs
Higher ARC-C score (96.4% vs 85.7%)
Higher GPQA score (50.4% vs 32.3%)
Higher GSM8k score (95.0% vs 75.8%)
Higher MMLU score (86.8% vs 69.7%)
Higher MMLU-Pro score (68.5% vs 42.5%)
AI21 Labs
Larger context window (256,144 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Opus
AI21 Labs
Jamba 1.5 Mini

FAQ

Common questions about Claude 3 Opus vs Jamba 1.5 Mini.

Which is better, Claude 3 Opus or Jamba 1.5 Mini?

Claude 3 Opus significantly outperforms across most benchmarks. Claude 3 Opus is made by Anthropic 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 Claude 3 Opus compare to Jamba 1.5 Mini in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%.

Is Claude 3 Opus cheaper than Jamba 1.5 Mini?

Jamba 1.5 Mini is 75.0x cheaper for input tokens. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic. Jamba 1.5 Mini costs $0.20/M input and $0.40/M output via bedrock.

What are the context window sizes for Claude 3 Opus and Jamba 1.5 Mini?

Claude 3 Opus supports 200K 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 Claude 3 Opus and Jamba 1.5 Mini?

Key differences include context window (200K vs 256K), input pricing ($15.00 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 Claude 3 Opus and Jamba 1.5 Mini?

Claude 3 Opus is developed by Anthropic and Jamba 1.5 Mini is developed by AI21 Labs.

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