Model Comparison
Jamba 1.6 Large
vs. Gemini 3.1 Pro Preview
Comparing 2 AI models · 11 benchmarks · AI21 Labs, Google
Recommended Pick
Go Gemini 3.1 Pro Preview 7 metric wins Strongest on: Value, Throughput, Reasoning
Best Value
Gemini 3.1 Pro Preview
100.0 value score
65.3 reasoning / $4.50/1M
Lowest Price
Jamba 1.6 Large
$2.00/1M input price
Best Reasoning
Gemini 3.1 Pro Preview
65.3 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.1 Pro Preview
55.5 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Gemini 3.1 Pro Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Speed gap
Gemini 3.1 Pro Preview generates about 2.5x as many tokens per second as Jamba 1.6 Large.
Reasoning gap
Gemini 3.1 Pro Preview leads Jamba 1.6 Large by 42.1 points on reasoning.
Top-pick rationale
Gemini 3.1 Pro Preview wins 7 measurable categories, including Value, Throughput, Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Jamba 1.6 Large
AI21 Labs
TTFT
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Time
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tok/s
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Tokens
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Cost
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Gemini 3.1 Pro Preview
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Which answer was more useful?
Full Comparison
| Metric | AI Jamba 1.6 Large | Top Pick Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $2.00/1M |
| Output Cost | $8.00/1M | $12.00/1M |
| Blended (3:1) | $3.50/1M | $4.50/1M |
| Specifications | ||
| Organization | AI21 Labs | |
| Release Date | Mar 6, 2025 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | 53.8 tok/s | 136.9 tok/s |
| TTFT | 926ms | 40400ms |
| Latency | 926ms | 40400ms |
| Composite Indices | ||
| Value Score | 45.6 | 100.0 |
| Reasoning Score | 23.2 | 65.3 |
| Intelligence | 10.6 | 57.2 |
| Coding | — | 55.5 |
| Standard Benchmarks | ||
| GPQA | 38.7% | 94.1% |
| MMLU Pro | 56.5% | — |
| HLE | 4.0% | 44.7% |
| LiveCodeBench | 17.2% | — |
| MATH 500 | 58.0% | — |
| AIME (Original) | 4.7% | — |
| SciCode | 18.4% | 58.9% |
| LCR | — | 72.7% |
| IFBench | — | 77.1% |
| TAU-bench v2 | — | 95.6% |
| TerminalBench Hard | — | 53.8% |
Key Takeaways
Jamba 1.6 Large offers the best value at $2.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 3.1 Pro Preview has the strongest reasoning profile with a 65.3 reasoning score, combining the available reasoning-heavy benchmarks.
Gemini 3.1 Pro Preview reaches a 55.5 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Jamba 1.6 Large
- Cost-sensitive applications
- High-volume processing
Gemini 3.1 Pro Preview
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
