Model Comparison

V3.1 Terminus (Non-reasoning)
vs. Jamba Reasoning 3B

Comparing 2 AI models · 10 benchmarks · DeepSeek, AI21 Labs

Recommended Pick

DeepSeek logo V3.1 Terminus (Non-reasoning) 12 metric wins

Strongest on: Reasoning, Intelligence, Math

Lowest Price

AI21 Labs logo

Jamba Reasoning 3B

$0.00/1M input price

Best Reasoning

DeepSeek logo

V3.1 Terminus (Non-reasoning)

42.5 reasoning score

Blends available reasoning benchmarks

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Price gap

Jamba Reasoning 3B is ∞x cheaper on input tokens than V3.1 Terminus (Non-reasoning).

Reasoning gap

V3.1 Terminus (Non-reasoning) leads Jamba Reasoning 3B by 29.8 points on reasoning.

Top-pick rationale

V3.1 Terminus (Non-reasoning) wins 12 measurable categories, including Reasoning, Intelligence, Math, GPQA.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

DeepSeek logo

V3.1 Terminus (Non-reasoning)

DeepSeek

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
AI21 Labs logo

Jamba Reasoning 3B

AI21 Labs

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Top Pick
DeepSeek logo V3.1 Terminus (Non-reasoning)
DeepSeek
AI21 Labs logo Jamba Reasoning 3B
AI21 Labs
Pricing per 1M tokens
Input Cost $0.27/1M$0.00/1M
Output Cost $1.00/1M$0.00/1M
Blended (3:1) $0.45/1M
Specifications
Organization DeepSeekAI21 Labs
Release Date Sep 22, 2025Oct 8, 2025
Performance & Speed
Throughput
TTFT
Latency
Composite Indices
Value Score 100.0
Reasoning Score 42.512.7
Intelligence 21.44.1
Math 53.710.7
Standard Benchmarks
GPQA 75.1%33.3%
MMLU Pro 83.6%57.7%
HLE 8.4%4.6%
LiveCodeBench 52.9%21.0%
AIME 2025 53.7%10.7%
SciCode 32.1%5.9%
LCR 43.3%7.0%
IFBench 41.2%52.4%
TAU-bench v2 37.1%15.8%
TerminalBench Hard 31.8%0.8%

Key Takeaways

Jamba Reasoning 3B offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.

V3.1 Terminus (Non-reasoning) has the strongest reasoning profile with a 42.5 reasoning score, combining the available reasoning-heavy benchmarks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

DeepSeek logo

V3.1 Terminus (Non-reasoning)

  • Complex reasoning tasks
  • Research & analysis
AI21 Labs logo

Jamba Reasoning 3B

  • Cost-sensitive applications
  • High-volume processing