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GLM-5.3 vs Jamba 1.5 Mini

Comparing GLM-5.3 and Jamba 1.5 Mini across benchmarks, pricing, and capabilities.

Zhipu AI · AI21 Labs · Updated for 2026

Which is better?

GLM-5.3 and Jamba 1.5 Mini trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Jamba 1.5 Mini is roughly 8.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GLM-5.3 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 benchmark, pricing, and model metadata for 2026.

Choose GLM-5.3

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Aug 2026

Choose Jamba 1.5 Mini

  • cost matters — it's about 8.6x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GLM-5.3
Zhipu AI
Jamba 1.5 Mini
AI21 Labs
Benchmark wins
—
—
Input price
$1.40 / M
$0.20 / M
Output price
$4.40 / M
$0.40 / M
Context window
1,000,000
256,144
Released
Aug 2026
Aug 2024
License
Unknown
Jamba Open Model License

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GLM-5.3 and Jamba 1.5 Minidon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Jamba 1.5 Mini costs less

For input processing, GLM-5.3 ($1.40/1M tokens) is 7.0x more expensive than Jamba 1.5 Mini ($0.20/1M tokens).

For output processing, GLM-5.3 ($4.40/1M tokens) is 11.0x more expensive than Jamba 1.5 Mini ($0.40/1M tokens).

In conclusion, GLM-5.3 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 Aug 24 2026 • llm-stats.com
Zhipu AI
GLM-5.3
Input tokens$1.40
Output tokens$4.40
Best providerUnknown Organization
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→

Model Size

Parameter count comparison

701.0B diff

GLM-5.3 has 701.0B more parameters than Jamba 1.5 Mini, making it 1348.1% larger.

Zhipu AI
GLM-5.3
753.0Bparameters
AI21 Labs
Jamba 1.5 Mini
52.0Bparameters
753.0B
GLM-5.3
52.0B
Jamba 1.5 Mini

Context Window

Maximum input and output token capacity

GLM-5.3 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 GLM-5.3 is limited to 128,000 tokens.

Zhipu AI
GLM-5.3
Input1,000,000 tokens
Output128,000 tokens
AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Mon Aug 24 2026 • llm-stats.com

Release Timeline

When each model was launched

GLM-5.3 was released on 2026-08-14, while Jamba 1.5 Mini was released on 2024-08-22.

GLM-5.3 is 24 months newer than Jamba 1.5 Mini.

GLM-5.3

Aug 14, 2026

1 weeks ago

2.0yr newer
Jamba 1.5 Mini

Aug 22, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while GLM-5.3'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 GLM-5.3's cutoff date.

GLM-5.3

—

Jamba 1.5 Mini

Mar 2024

Provider Availability

GLM-5.3 is available from ZAI. Jamba 1.5 Mini is available from Bedrock, Google.

GLM-5.3

z logo
Unknown Organization
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M

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 GLM-5.3 and Jamba 1.5 Mini side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
Jamba 1.5 Mini
Open in Playground

FAQ

Common questions about GLM-5.3 vs Jamba 1.5 Mini.

Which is better, GLM-5.3 or Jamba 1.5 Mini?

GLM-5.3 (Zhipu AI) and Jamba 1.5 Mini (AI21 Labs) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GLM-5.3 compare to Jamba 1.5 Mini in benchmarks?

GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%. Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%.

Is GLM-5.3 cheaper than Jamba 1.5 Mini?

Jamba 1.5 Mini is 7.0x cheaper for input tokens. GLM-5.3 costs $1.40/M input and $4.40/M output via z. Jamba 1.5 Mini costs $0.20/M input and $0.40/M output via bedrock.

What are the context window sizes for GLM-5.3 and Jamba 1.5 Mini?

GLM-5.3 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 GLM-5.3 and Jamba 1.5 Mini?

Key differences include context window (1.0M vs 256K), input pricing ($1.40 vs $0.20/M), licensing (Unknown vs Jamba Open Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and Jamba 1.5 Mini?

GLM-5.3 is developed by Zhipu AI and Jamba 1.5 Mini is developed by AI21 Labs.

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