Model Comparison
Claude Haiku 4.5 vs Jamba 1.5 MiniWhich is better in 2026?
Claude Haiku 4.5 significantly outperforms across most benchmarks. Jamba 1.5 Mini is 8.0x cheaper per token.
Verdict: Claude Haiku 4.5 vs Jamba 1.5 Mini — which is better?
Claude Haiku 4.5 (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 Haiku 4.5 outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Mini is better at 0 benchmarks. Claude Haiku 4.5 significantly outperforms across most benchmarks.
On price, Jamba 1.5 Mini is roughly 8.0x 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 Haiku 4.5 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Oct 2025
Choose Jamba 1.5 Mini if…
- cost matters — it's about 8.0x cheaper per token
- you process long inputs — it offers a 256,144 token context window
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude Haiku 4.5 outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Mini is better at 0 benchmarks.
Claude Haiku 4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Haiku 4.5 ($1.00/1M tokens) is 5.0x more expensive than Jamba 1.5 Mini ($0.20/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 12.5x more expensive than Jamba 1.5 Mini ($0.40/1M tokens).
In conclusion, Claude Haiku 4.5 is more expensive than Jamba 1.5 Mini.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Jamba 1.5 Mini accepts 256,144 input tokens compared to Claude Haiku 4.5's 200,000 tokens. Jamba 1.5 Mini can generate longer responses up to 256,144 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Haiku 4.5 supports multimodal inputs, whereas Jamba 1.5 Mini does not.
Claude Haiku 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Haiku 4.5
Jamba 1.5 Mini
License
Usage and distribution terms
Claude Haiku 4.5 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.
Proprietary
Closed source
Jamba Open Model License
Open weights
Release Timeline
When each model was launched
Claude Haiku 4.5 was released on 2025-10-15, while Jamba 1.5 Mini was released on 2024-08-22.
Claude Haiku 4.5 is 14 months newer than Jamba 1.5 Mini.
Oct 15, 2025
9 months ago
1.1yr newerAug 22, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
Claude Haiku 4.5 has a knowledge cutoff of 2025-02-01, while Jamba 1.5 Mini has a cutoff of 2024-03-05.
Claude Haiku 4.5 has more recent training data (up to 2025-02-01), making it potentially better informed about events through that date compared to Jamba 1.5 Mini (2024-03-05).
Feb 2025
11 mo newerMar 2024
Provider Availability
Claude Haiku 4.5 is available from Anthropic, Vertex AI. Jamba 1.5 Mini is available from Bedrock, Google.
Claude Haiku 4.5
Jamba 1.5 Mini
Outputs Comparison
Key Takeaways
Claude Haiku 4.5
View detailsAnthropic
Jamba 1.5 Mini
View detailsAI21 Labs
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and Jamba 1.5 Mini side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude Haiku 4.5 vs Jamba 1.5 Mini.