Model Comparison
Jamba 1.5 Large vs Mistral Large 3 (675B Instruct 2512)Which is better in 2026?
Mistral Large 3 (675B Instruct 2512) significantly outperforms across most benchmarks. Mistral Large 3 (675B Instruct 2512) is 4.7x cheaper per token.
Verdict: Jamba 1.5 Large vs Mistral Large 3 (675B Instruct 2512) — which is better?
Jamba 1.5 Large (by AI21 Labs) and Mistral Large 3 (675B Instruct 2512) (by Mistral AI) 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.
Jamba 1.5 Large outperforms in 0 benchmarks, while Mistral Large 3 (675B Instruct 2512) is better at 1 benchmark (GPQA). Mistral Large 3 (675B Instruct 2512) significantly outperforms across most benchmarks.
On price, Mistral Large 3 (675B Instruct 2512) is roughly 4.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Mistral Large 3 (675B Instruct 2512) also accepts a larger context window (262,100 input tokens), making it the stronger choice for long documents and large codebases.
Choose Jamba 1.5 Large if…
- you want predictable pricing at $2.00/M input and $8.00/M output
Choose Mistral Large 3 (675B Instruct 2512) if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- cost matters — it's about 4.7x cheaper per token
- you process long inputs — it offers a 262,100 token context window
- you want the most recent training data — it shipped Dec 2025
Performance Benchmarks
Comparative analysis across standard metrics
Jamba 1.5 Large outperforms in 0 benchmarks, while Mistral Large 3 (675B Instruct 2512) is better at 1 benchmark (GPQA).
Mistral Large 3 (675B Instruct 2512) significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Jamba 1.5 Large ($2.00/1M tokens) is 4.0x more expensive than Mistral Large 3 (675B Instruct 2512) ($0.50/1M tokens).
For output processing, Jamba 1.5 Large ($8.00/1M tokens) is 5.3x more expensive than Mistral Large 3 (675B Instruct 2512) ($1.50/1M tokens).
In conclusion, Jamba 1.5 Large is more expensive than Mistral Large 3 (675B Instruct 2512).*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Mistral Large 3 (675B Instruct 2512) has 277.0B more parameters than Jamba 1.5 Large, making it 69.6% larger.
Context Window
Maximum input and output token capacity
Mistral Large 3 (675B Instruct 2512) accepts 262,100 input tokens compared to Jamba 1.5 Large's 256,000 tokens. Mistral Large 3 (675B Instruct 2512) can generate longer responses up to 262,100 tokens, while Jamba 1.5 Large is limited to 256,000 tokens.
Input Capabilities
Supported data types and modalities
Mistral Large 3 (675B Instruct 2512) supports multimodal inputs, whereas Jamba 1.5 Large does not.
Mistral Large 3 (675B Instruct 2512) can handle both text and other forms of data like images, making it suitable for multimodal applications.
Jamba 1.5 Large
Mistral Large 3 (675B Instruct 2512)
License
Usage and distribution terms
Jamba 1.5 Large is licensed under Jamba Open Model License, while Mistral Large 3 (675B Instruct 2512) uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Jamba Open Model License
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
Jamba 1.5 Large was released on 2024-08-22, while Mistral Large 3 (675B Instruct 2512) was released on 2025-12-04.
Mistral Large 3 (675B Instruct 2512) is 16 months newer than Jamba 1.5 Large.
Aug 22, 2024
1.8 years ago
Dec 4, 2025
6 months ago
1.3yr newerKnowledge Cutoff
When training data ends
Jamba 1.5 Large has a documented knowledge cutoff of 2024-03-05, while Mistral Large 3 (675B Instruct 2512)'s cutoff date is not specified.
We can confirm Jamba 1.5 Large's training data extends to 2024-03-05, but cannot make a direct comparison without Mistral Large 3 (675B Instruct 2512)'s cutoff date.
Mar 2024
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Provider Availability
Jamba 1.5 Large is available from Bedrock, Google. Mistral Large 3 (675B Instruct 2512) is available from Mistral AI.
Jamba 1.5 Large
Mistral Large 3 (675B Instruct 2512)
Outputs Comparison
Key Takeaways
Jamba 1.5 Large
View detailsAI21 Labs
No standout differentiators in the data we have for this pair.
Detailed Comparison
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FAQ
Common questions about Jamba 1.5 Large vs Mistral Large 3 (675B Instruct 2512).
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