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Gemini 3.1 Pro Preview Custom Tools vs Jev Router

Signal-by-Signal Comparison
SignalGemini 3.1 Pro Preview Custom ToolsDeltaJev Router
Capabilities
100
+17
83
Benchmarks
92
+92
0
Pricing
88
-1000012
1000100
Context window size
96
+0
95
Recency
87
-13
100
Output Capacity
77
--
77
Overall Result
3 wins
of 6
2 wins
Gemini 3.1 Pro Preview Custom Tools wins 3 of 6 signals

Score History

Score History (38 data points)
Gemini 3.1 Pro Preview Custom ToolsJev Router
Gemini 3.1 Pro Preview Custom Tools

92.2

current score

Leader

Gemini 3.1 Pro Preview Custom Tools

right now

Jev Router

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Gemini 3.1 Pro Preview Custom Tools

Google

Per request$0.008000
Daily$26.67
Monthly$800.00
Annual$9600.00

Jev Router

typesafe

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Jev Router saves you $800.00/month

That's $9600.00/year compared to Gemini 3.1 Pro Preview Custom Tools at your current usage level of 100K calls/month.

100% cheaper
Choose Jev Router for cost optimization

Gemini 3.1 Pro Preview Custom Tools pricing:
Input:$2.00/M tokens
Output:$12.00/M tokens
Jev Router pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Winner
Gemini 3.1 Pro Preview Custom Tools

Google

92

Composite Score

Jev Router

typesafe

40

Composite Score

Signal-by-Signal Comparison
MetricGemini 3.1 Pro Preview Custom ToolsJev RouterWinner
Overall Score
92
40
Gemini 3.1 Pro Preview Custom Tools
Rank#12#212
Gemini 3.1 Pro Preview Custom Tools
Quality Rank#12#212
Gemini 3.1 Pro Preview Custom Tools
Adoption Rank#12#212
Gemini 3.1 Pro Preview Custom Tools
Parameters------
Context Window1049K1000K
Gemini 3.1 Pro Preview Custom Tools
Pricing$2.00/$12.00/MFree--
Signal Scores
Capabilities
100
83
Gemini 3.1 Pro Preview Custom Tools
Benchmarks
92
--
Gemini 3.1 Pro Preview Custom Tools
Pricing
88
1000100
Jev Router
Context window size
96
95
Gemini 3.1 Pro Preview Custom Tools
Recency
87
100
Jev Router
Output Capacity
77
77
Gemini 3.1 Pro Preview Custom Tools
Benchmark Head-to-Head(5 benchmarks)
Gemini 3.1: 0Jev Router: 0
Gemini 3.1
Jev Router
Normalized 0-100%
MMLU
92.6%-
MMLU-Pro
91.2%-
GPQA Diamond
94.3%-
SWE-bench Verified
80.6%-
Arena Elo
1494-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Gemini 3.1 Pro Preview Custom ToolsElite Tier

Scores 92/100 (rank #12), placing it in the top 96% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Jev RouterEntry Level

Scores 40/100 (rank #212), placing it in the top 27% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 3.1 Pro Preview Custom Tools has a 52-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Gemini 3.1 Pro Preview Custom Tools when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose Jev Router when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Gemini 3.1 Pro Preview Custom Tools
Input cost$2.00/M tokens
Output cost$12.00/M tokens
Cost per quality point$0.152
Est. monthly (1M tokens/day)$210.00
Jev Router
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
Gemini 3.1 Pro Preview Custom ToolsFaster
Speed score0/100
Jev Router
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Gemini 3.1 Pro Preview Custom Tools

Customer support chatbot

Suitable for user-facing chat with competitive response times. Jev Router also offers lower per-token costs for high-volume support

Gemini 3.1 Pro Preview Custom Tools

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Gemini 3.1 Pro Preview Custom Tools

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

Jev Router

Creative writing & content

Higher overall composite score (92/100) correlates with better nuance, coherence, and style in long-form content

Gemini 3.1 Pro Preview Custom Tools

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Gemini 3.1 Pro Preview Custom Tools
Which Should You Choose?
Our recommendation:
Gemini 3.1 Pro Preview Custom Tools

Gemini 3.1 Pro Preview Custom Tools clearly outperforms Jev Router with a significant 52.2-point lead. For most general use cases, Gemini 3.1 Pro Preview Custom Tools is the stronger choice. However, Jev Router may still excel in niche scenarios.

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by typesafe

  • Choose for Cost - 100% lower pricing; better value at scale
Capability Comparison
CapabilityGemini 3.1 Pro Preview Custom ToolsJev Router
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Gemini 3.1 Pro Preview Custom Tools

Google

$18.00
estimated monthly cost

Jev Router

typesafe

Best Value
$0.000000
estimated monthly cost

Jev Router saves you $18.00/month

That's 100% cheaper than Gemini 3.1 Pro Preview Custom Tools at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGemini 3.1 Pro Preview Custom ToolsJev Router
Context Window1.0M1M
Max Output Tokens65,53665,536
Open SourceNoNo
CreatedFeb 25, 2026Sep 25, 2026
Last updated: 11m ago

相关对比

Gemini 3.1 Pro Preview Custom Tools vs Jev Router (2026) | LM Market Cap