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GPT-6.1 Terra vs Jamba 1.5 Large

GPT-6.1 Terra leads the LLM Stats Score 47.5 to 0.5. GPT-6.1 Terra is 1.8x cheaper per token.

OpenAI · AI21 Labs · Updated for 2026

Which is better?

GPT-6.1 Terra leads the overall LLM Stats Score 47.5 to 0.5, ranking #36 overall.

On price, GPT-6.1 Terra is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6.1 Terra also accepts a larger context window (1,050,000 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 GPT-6.1 Terra

  • overall performance matters — it scores 47.5 and ranks #36 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • cost matters — it's about 1.8x cheaper per token
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose Jamba 1.5 Large

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
47.5
#36
0.5
#359
49.0
#19
0.6
#351
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.00 / M
$2.00 / M
Output price
$5.00 / M
$8.00 / M
Context window
1,050,000
256,000

Individual benchmarks

8 reported for GPT-6.1 Terra · 8 for Jamba 1.5 Large

No common benchmarks found

GPT-6.1 Terra and Jamba 1.5 Largedon'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

GPT-6.1 Terra costs less

For input processing, GPT-6.1 Terra ($1.00/1M tokens) is 2.0x cheaper than Jamba 1.5 Large ($2.00/1M tokens).

For output processing, GPT-6.1 Terra ($5.00/1M tokens) is 1.6x cheaper than Jamba 1.5 Large ($8.00/1M tokens).

In conclusion, Jamba 1.5 Large is more expensive than GPT-6.1 Terra.*

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

Lowest available price from all providers
Fri Oct 30 2026 • llm-stats.com
OpenAI
GPT-6.1 Terra
Input tokens$1.00
Output tokens$5.00
Best providerOpenAI
AI21 Labs
Jamba 1.5 Large
Input tokens$2.00
Output tokens$8.00
Best providerAWS Bedrock
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6.1 Terra accepts 1,050,000 input tokens compared to Jamba 1.5 Large's 256,000 tokens. Jamba 1.5 Large can generate longer responses up to 256,000 tokens, while GPT-6.1 Terra is limited to 128,000 tokens.

OpenAI
GPT-6.1 Terra
Input1,050,000 tokens
Output128,000 tokens
AI21 Labs
Jamba 1.5 Large
Input256,000 tokens
Output256,000 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6.1 Terra supports multimodal inputs, whereas Jamba 1.5 Large does not.

GPT-6.1 Terra can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-6.1 Terra

Text
Images
Audio
Video

Jamba 1.5 Large

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6.1 Terra is licensed under a proprietary license, while Jamba 1.5 Large uses Jamba Open Model License.

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

GPT-6.1 Terra

Proprietary

Closed source

Jamba 1.5 Large

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

GPT-6.1 Terra was released on 2026-10-26, while Jamba 1.5 Large was released on 2024-08-22.

GPT-6.1 Terra is 27 months newer than Jamba 1.5 Large.

GPT-6.1 Terra

Oct 26, 2026

1 days ago

2.2yr newer
Jamba 1.5 Large

Aug 22, 2024

2.2 years ago

Knowledge Cutoff

When training data ends

GPT-6.1 Terra has a knowledge cutoff of 2026-06-01, while Jamba 1.5 Large has a cutoff of 2024-03-05.

GPT-6.1 Terra 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 Large (2024-03-05).

GPT-6.1 Terra

Jun 2026

2.3 yr newer
Jamba 1.5 Large

Mar 2024

Provider Availability

GPT-6.1 Terra is available from OpenAI. Jamba 1.5 Large is available from Bedrock, Google.

GPT-6.1 Terra

openai logo
OpenAI
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M

Jamba 1.5 Large

bedrock logo
AWS Bedrock
Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M
google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6.1 Terra and Jamba 1.5 Large side-by-side, then vote on the output you prefer.

GPT-6.1 Terra
✓ Preferred
Jamba 1.5 Large
Open in Playground

FAQ

Common questions about GPT-6.1 Terra vs Jamba 1.5 Large.

Which is better, GPT-6.1 Terra or Jamba 1.5 Large?

GPT-6.1 Terra leads the LLM Stats Score 47.5 to 0.5. GPT-6.1 Terra is made by OpenAI and Jamba 1.5 Large 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 GPT-6.1 Terra compare to Jamba 1.5 Large in benchmarks?

GPT-6.1 Terra scores HealthBench Consensus: 95.1%, HealthBench Professional: 62.7%, Agents' Last Exam: 60.0%, Terminal-Bench-Science 0.1: 58.3%, MentalHealthBench: 55.5%. Jamba 1.5 Large scores ARC-C: 93.0%, GSM8k: 87.0%, MMLU: 81.2%, Arena Hard: 65.4%, TruthfulQA: 58.3%.

Is GPT-6.1 Terra cheaper than Jamba 1.5 Large?

GPT-6.1 Terra is 2.0x cheaper for input tokens. GPT-6.1 Terra costs $1.00/M input and $5.00/M output via openai. Jamba 1.5 Large costs $2.00/M input and $8.00/M output via bedrock.

What are the context window sizes for GPT-6.1 Terra and Jamba 1.5 Large?

GPT-6.1 Terra supports 1.1M tokens and Jamba 1.5 Large 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 GPT-6.1 Terra and Jamba 1.5 Large?

Key differences include LLM Stats Score (47.5 vs 0.5), context window (1.1M vs 256K), input pricing ($1.00 vs $2.00/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 GPT-6.1 Terra and Jamba 1.5 Large?

GPT-6.1 Terra is developed by OpenAI and Jamba 1.5 Large is developed by AI21 Labs.