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Claude Sonnet 5.5 vs Jamba 1.5 Mini

Claude Sonnet 5.5 leads the LLM Stats Score 51.5 to -5.7. Jamba 1.5 Mini is 16.0x cheaper per token.

Anthropic · AI21 Labs · Updated for 2026

Which is better?

Claude Sonnet 5.5 leads the overall LLM Stats Score 51.5 to -5.7, ranking #12 overall.

On price, Jamba 1.5 Mini is roughly 16.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Sonnet 5.5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Sonnet 5.5

  • overall performance matters — it scores 51.5 and ranks #12 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Jamba 1.5 Mini

  • cost matters — it's about 16.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
51.5
#12
-5.7
#366
49.7
#16
-5.6
#357
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
$0.20 / M
Output price
$10.00 / M
$0.40 / M
Context window
1,000,000
256,144

Individual benchmarks

8 reported for Claude Sonnet 5.5 · 8 for Jamba 1.5 Mini

No common benchmarks found

Claude Sonnet 5.5 and Jamba 1.5 Minidon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Jamba 1.5 Mini costs less

For input processing, Claude Sonnet 5.5 ($2.00/1M tokens) is 10.0x more expensive than Jamba 1.5 Mini ($0.20/1M tokens).

For output processing, Claude Sonnet 5.5 ($10.00/1M tokens) is 25.0x more expensive than Jamba 1.5 Mini ($0.40/1M tokens).

In conclusion, Claude Sonnet 5.5 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 Sep 28 2026 • llm-stats.com
Anthropic
Claude Sonnet 5.5
Input tokens$2.00
Output tokens$10.00
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

Claude Sonnet 5.5 accepts 1,000,000 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 Claude Sonnet 5.5 is limited to 128,000 tokens.

Anthropic
Claude Sonnet 5.5
Input1,000,000 tokens
Output128,000 tokens
AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Mon Sep 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Sonnet 5.5 supports multimodal inputs, whereas Jamba 1.5 Mini does not.

Claude Sonnet 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Sonnet 5.5

Text
Images
Audio
Video

Jamba 1.5 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 5.5 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 Sonnet 5.5

Proprietary

Closed source

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Claude Sonnet 5.5 was released on 2026-09-28, while Jamba 1.5 Mini was released on 2024-08-22.

Claude Sonnet 5.5 is 26 months newer than Jamba 1.5 Mini.

Claude Sonnet 5.5

Sep 28, 2026

0 days ago

2.1yr newer
Jamba 1.5 Mini

Aug 22, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

Claude Sonnet 5.5 has a knowledge cutoff of 2026-06-01, while Jamba 1.5 Mini has a cutoff of 2024-03-05.

Claude Sonnet 5.5 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Jamba 1.5 Mini (2024-03-05).

Claude Sonnet 5.5

Jun 2026

2.3 yr newer
Jamba 1.5 Mini

Mar 2024

Provider Availability

Claude Sonnet 5.5 is available from Anthropic. Jamba 1.5 Mini is available from Bedrock, Google.

Claude Sonnet 5.5

anthropic logo
Anthropic
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

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→

Judge for yourself.

Run your own prompts against Claude Sonnet 5.5 and Jamba 1.5 Mini side-by-side, then vote on the output you prefer.

Claude Sonnet 5.5
✓ Preferred
Jamba 1.5 Mini
Open in Playground

FAQ

Common questions about Claude Sonnet 5.5 vs Jamba 1.5 Mini.

Which is better, Claude Sonnet 5.5 or Jamba 1.5 Mini?

Claude Sonnet 5.5 leads the LLM Stats Score 51.5 to -5.7. Claude Sonnet 5.5 is made by Anthropic and Jamba 1.5 Mini is made by AI21 Labs. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Sonnet 5.5 compare to Jamba 1.5 Mini in benchmarks?

Claude Sonnet 5.5 scores OSWorld 2.1 (partial): 80.1%, Terminal-Bench 4.0: 70.6%, Humanity's Last Exam (with tools): 64.5%, Chartography (no tools): 61.6%, GDPval-AA 2.1: 61.5%. Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%.

Is Claude Sonnet 5.5 cheaper than Jamba 1.5 Mini?

Jamba 1.5 Mini is 10.0x cheaper for input tokens. Claude Sonnet 5.5 costs $2.00/M input and $10.00/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 Sonnet 5.5 and Jamba 1.5 Mini?

Claude Sonnet 5.5 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 Claude Sonnet 5.5 and Jamba 1.5 Mini?

Key differences include LLM Stats Score (51.5 vs -5.7), context window (1.0M vs 256K), input pricing ($2.00 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 Sonnet 5.5 and Jamba 1.5 Mini?

Claude Sonnet 5.5 is developed by Anthropic and Jamba 1.5 Mini is developed by AI21 Labs.