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Gemini 2.5 Flash (batch) vs Gemini 3.1 Flash Lite (batch)

Signal-by-Signal Comparison
SignalGemini 2.5 Flash (batch)DeltaGemini 3.1 Flash Lite (batch)
Capabilities
100
--
100
Benchmarks
81
+81
0
Pricing
99
0
99
Context window size
96
--
96
Recency
59
-41
100
Output Capacity
80
--
80
Overall Result
1 wins
of 6
2 wins
Gemini 3.1 Flash Lite (batch) wins 2 of 6 signals

Score History Unavailable

Not enough historical data to show a comparison chart. Score history is recorded weekly and will be available after at least two data points are collected.

79.1

Gemini 2.5 Flash (batch)

vs

23.6

Gemini 3.1 Flash Lite (batch)

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

Gemini 2.5 Flash (batch)

Google

Per request$0.000775
Daily$2.58
Monthly$77.50
Annual$930.00

Gemini 3.1 Flash Lite (batch)

Google

Best Value
Per request$0.000500
Daily$1.67
Monthly$50.00
Annual$600.00

Gemini 3.1 Flash Lite (batch) saves you $27.50/month

That's $330.00/year compared to Gemini 2.5 Flash (batch) at your current usage level of 100K calls/month.

35% cheaper
Choose Gemini 3.1 Flash Lite (batch) for cost optimization

Gemini 2.5 Flash (batch) pricing:
Input:$0.15/M tokens
Output:$1.25/M tokens
Gemini 3.1 Flash Lite (batch) pricing:
Input:$0.13/M tokens
Output:$0.75/M tokens
Winner
Gemini 2.5 Flash (batch)

Google

79

Composite Score

Gemini 3.1 Flash Lite (batch)

Google

24

Composite Score

Signal-by-Signal Comparison
MetricGemini 2.5 Flash (batch)Gemini 3.1 Flash Lite (batch)Winner
Overall Score
79
24
Gemini 2.5 Flash (batch)
Rank#85#342
Gemini 2.5 Flash (batch)
Quality Rank#85#342
Gemini 2.5 Flash (batch)
Adoption Rank#85#342
Gemini 2.5 Flash (batch)
Parameters------
Context Window1049K1049K--
Pricing$0.15/$1.25/M$0.13/$0.75/M--
Signal Scores
Capabilities
100
100
Gemini 2.5 Flash (batch)
Benchmarks
81
--
Gemini 2.5 Flash (batch)
Pricing
99
99
Gemini 3.1 Flash Lite (batch)
Context window size
96
96
Gemini 2.5 Flash (batch)
Recency
59
100
Gemini 3.1 Flash Lite (batch)
Output Capacity
80
80
Gemini 2.5 Flash (batch)
Benchmark Head-to-Head(12 benchmarks)
Gemini 2.5: 1Gemini 3.1: 0
Gemini 2.5
Gemini 3.1
Normalized 0-100%
MMLU
85.8%-
MMLU-Pro
78%-
GPQA Diamond
82.8%-
MATH-500
85.8%-
HumanEval
90%-
SWE-bench Verified
60.4%-
AIME 2024
88%-
IFEval
85.5%-
BBH
85%-
Arena Elo
1395-
LiveBench
66.5%-
HLE
12.08%8.64%
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 2.5 Flash (batch)Strong Performer

Scores 79/100 (rank #85), placing it in the top 71% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Gemini 3.1 Flash Lite (batch)Limited

Scores 24/100 (rank #342), placing it in the top -18% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 2.5 Flash (batch) has a 55-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 2.5 Flash (batch) when you need:

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

Choose Gemini 3.1 Flash Lite (batch) 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 2.5 Flash (batch)Best Value
Input cost$0.15/M tokens
Output cost$1.25/M tokens
Cost per quality point$0.018
Est. monthly (1M tokens/day)$21.00
Gemini 3.1 Flash Lite (batch)
Input cost$0.13/M tokens
Output cost$0.75/M tokens
Cost per quality point$0.037
Est. monthly (1M tokens/day)$13.13

Gemini 2.5 Flash (batch) offers 37% better value per quality point. At 1M tokens/day, you'd spend $13.13/month with Gemini 3.1 Flash Lite (batch) vs $21.00/month with Gemini 2.5 Flash (batch) - a $7.88 monthly difference.

Latency & Speed
Gemini 2.5 Flash (batch)Faster
Speed score0/100
Gemini 3.1 Flash Lite (batch)
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 2.5 Flash (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Gemini 3.1 Flash Lite (batch) also offers lower per-token costs for high-volume support

Gemini 2.5 Flash (batch)

Long document analysis

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

Gemini 2.5 Flash (batch)

Batch data extraction

Lower output pricing ($0.75/M) reduces costs when processing thousands of records daily

Gemini 3.1 Flash Lite (batch)

Creative writing & content

Higher overall composite score (79/100) correlates with better nuance, coherence, and style in long-form content

Gemini 2.5 Flash (batch)

Image understanding & OCR

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

Gemini 2.5 Flash (batch)
Which Should You Choose?
Our recommendation:
Gemini 2.5 Flash (batch)

Gemini 2.5 Flash (batch) clearly outperforms Gemini 3.1 Flash Lite (batch) with a significant 55.49999999999999-point lead. For most general use cases, Gemini 2.5 Flash (batch) is the stronger choice. However, Gemini 3.1 Flash Lite (batch) 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 Google

  • Choose for Cost - 37% lower pricing; better value at scale
Capability Comparison
CapabilityGemini 2.5 Flash (batch)Gemini 3.1 Flash Lite (batch)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Gemini 2.5 Flash (batch)

Google

$1.77
estimated monthly cost

Gemini 3.1 Flash Lite (batch)

Google

Best Value
$1.13
estimated monthly cost

Gemini 3.1 Flash Lite (batch) saves you $0.6450/month

That's 36% cheaper than Gemini 2.5 Flash (batch) 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 2.5 Flash (batch)Gemini 3.1 Flash Lite (batch)
Context Window1.0M1.0M
Max Output Tokens65,53565,536
Open SourceNoNo
CreatedJun 17, 2025May 7, 2026
Last updated: 15m ago

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Gemini 2.5 Flash (batch) vs Gemini 3.1 Flash Lite (batch) (2026) | LM Market Cap