Looking for an honest OpenAI GPT-3.5 Turbo vs AI21 Labs Jamba 2.0 comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the AI21 Labs Jamba 2.0 comes out ahead 41/100 to 62/100 — a 21-point gap. The widest gap is in display, where the OpenAI GPT-3.5 Turbo pulls noticeably ahead.
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AI21 Labs Jamba 2.0 clearly outperforms the OpenAI GPT-3.5 Turbo in the ai language models category, especially in design, scoring 62 vs 41. If you want the better overall ai language models, AI21 Labs Jamba 2.0 is the recommended choice.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | GPT-3.5 Turbo | Jamba 2.0 |
|---|---|---|
| Input (Prompt) | $0.50/1M | ✓$0.20/1M |
| Output (Completion) | $1.50/1M | ✓$0.40/1M |
| Open Source | Proprietary | Proprietary |
Context Window (tokens)
| Metric | GPT-3.5 Turbo | Jamba 2.0 |
|---|---|---|
| Max Output | 4,096 tok | ✓8,192 tok |
| Speed | ✓400 tok/s | 150 tok/s |
| Time to First Token | ✓100ms | 300ms |
| Languages | ✓50+ | 40+ |
Higher is better. Industry-standard AI evaluation benchmarks.
GPT-3.5 Turbo
Jamba 2.0
GPT-3.5 Turbo
Jamba 2.0
GPT-3.5 Turbo
Jamba 2.0
GPT-3.5 Turbo
Jamba 2.0
GPT-3.5 Turbo
Jamba 2.0
| Feature | GPT-3.5 Turbo | Jamba 2.0 |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✕ |
| Vision (Image Input) | ✕ | ✕ |
| Audio Input | ✕ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✕ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✕ |
| Fine-tuning Support | ✓ | ✕ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✕ |
| Field | GPT-3.5 Turbo | Jamba 2.0 |
|---|---|---|
| Provider | OpenAI | AI21 Labs |
| Knowledge Cutoff | 2021-09 | 2025-03 |
| Best For | legacysimple taskshigh volumecost efficiency | long contextenterprisedocument processingsummarization |
Buy OpenAI GPT-3.5 Turbo if…
The OpenAI GPT-3.5 Turbo is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy AI21 Labs Jamba 2.0 if…
Buy the AI21 Labs Jamba 2.0 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
AI21 Labs Jamba 2.0 clearly outperforms the OpenAI GPT-3.5 Turbo in the ai language models category, especially in design, scoring 62 vs 41. If you want the better overall ai language models, AI21 Labs Jamba 2.0 is the recommended choice.
No, AI21 Labs Jamba 2.0 scores higher (75 vs 75).
Check the latest prices using the buy links above.
The OpenAI GPT-3.5 Turbo is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the AI21 Labs Jamba 2.0 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Reviewed by VersusMatrix Editorial Team
Last updated: April 28, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.