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Gemini 2.5 Flash Lite vs GPT-5.4 Nano

vs
GPT-5.4 Nano

OpenAI

79#56
Signal-by-Signal Comparison
SignalGemini 2.5 Flash LiteDeltaGPT-5.4 Nano
Capabilities
100
--
100
Benchmarks
81
-10
90
Pricing
100
+1
99
Context window size
86
+6
80
Recency
69
-31
100
Output Capacity
80
-5
85
Overall Result
2 wins
of 6
3 wins
GPT-5.4 Nano wins 3 of 6 signals

Score History

Score History (21 data points)
Gemini 2.5 Flash LiteGPT-5.4 Nano
Gemini 2.5 Flash Lite

78.6

current score

Leader

GPT-5.4 Nano

right now

GPT-5.4 Nano

78.8

current score

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

Gemini 2.5 Flash Lite

Google

Best Value
Per request$0.000300
Daily$1.00
Monthly$30.00
Annual$360.00

GPT-5.4 Nano

OpenAI

Per request$0.000825
Daily$2.75
Monthly$82.50
Annual$990.00

Gemini 2.5 Flash Lite saves you $52.50/month

That's $630.00/year compared to GPT-5.4 Nano at your current usage level of 100K calls/month.

64% cheaper
Choose Gemini 2.5 Flash Lite for cost optimization

Gemini 2.5 Flash Lite pricing:
Input:$0.10/M tokens
Output:$0.40/M tokens
GPT-5.4 Nano pricing:
Input:$0.20/M tokens
Output:$1.25/M tokens
Gemini 2.5 Flash Lite

Google

79

Composite Score

Winner
GPT-5.4 Nano

OpenAI

79

Composite Score

Signal-by-Signal Comparison
MetricGemini 2.5 Flash LiteGPT-5.4 NanoWinner
Overall Score
79
79
GPT-5.4 Nano
Rank#58#56
GPT-5.4 Nano
Quality Rank#58#56
GPT-5.4 Nano
Adoption Rank#58#56
GPT-5.4 Nano
Parameters------
Context Window1049K400K
Gemini 2.5 Flash Lite
Pricing$0.10/$0.40/M$0.20/$1.25/M--
Signal Scores
Capabilities
100
100
Gemini 2.5 Flash Lite
Benchmarks
81
90
GPT-5.4 Nano
Pricing
100
99
Gemini 2.5 Flash Lite
Context window size
86
80
Gemini 2.5 Flash Lite
Recency
69
100
GPT-5.4 Nano
Output Capacity
80
85
GPT-5.4 Nano
Benchmark Head-to-Head(12 benchmarks)
Gemini 2.5: 0GPT-5.4 Nano: 11
Gemini 2.5
GPT-5.4 Nano
Normalized 0-100%
MMLU
85.8%94%
MMLU-Pro
78%87%
GPQA Diamond
82.8%88.5%
MATH-500
85.8%95.5%
HumanEval
90%97.5%
SWE-bench Verified
60.4%80%
AIME 2024
88%-
IFEval
85.5%93.5%
BBH
85%92%
Arena Elo
13951485
LiveBench
66.5%79%
HLE
12.08%39%
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 LiteStrong Performer

Scores 79/100 (rank #58), placing it in the top 80% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5.4 NanoStrong Performer

Scores 79/100 (rank #56), placing it in the top 81% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Gemini 2.5 Flash Lite when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-5.4 Nano when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Gemini 2.5 Flash LiteBest Value
Input cost$0.10/M tokens
Output cost$0.40/M tokens
Cost per quality point$0.006
Est. monthly (1M tokens/day)$7.50
GPT-5.4 Nano
Input cost$0.20/M tokens
Output cost$1.25/M tokens
Cost per quality point$0.018
Est. monthly (1M tokens/day)$21.75

Gemini 2.5 Flash Lite offers 66% better value per quality point. At 1M tokens/day, you'd spend $7.50/month with Gemini 2.5 Flash Lite vs $21.75/month with GPT-5.4 Nano - a $14.25 monthly difference.

Latency & Speed
Gemini 2.5 Flash LiteFaster
Speed score0/100
GPT-5.4 Nano
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 Lite

Customer support chatbot

Suitable for user-facing chat with competitive response times. Gemini 2.5 Flash Lite also offers lower per-token costs for high-volume support

Gemini 2.5 Flash Lite

Long document analysis

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

Gemini 2.5 Flash Lite

Batch data extraction

Lower output pricing ($0.40/M) reduces costs when processing thousands of records daily

Gemini 2.5 Flash Lite

Creative writing & content

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

GPT-5.4 Nano

Image understanding & OCR

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

Gemini 2.5 Flash Lite
Which Should You Choose?
Our recommendation:
GPT-5.4 Nano

Gemini 2.5 Flash Lite and GPT-5.4 Nano are extremely close in overall performance (only 0.20000000000000284 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 66% lower pricing; better value at scale
  • 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
GPT-5.4 Nano
Recommended

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityGemini 2.5 Flash LiteGPT-5.4 Nano
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 Lite

Google

Best Value
$0.6600
estimated monthly cost

GPT-5.4 Nano

OpenAI

$1.86
estimated monthly cost

Gemini 2.5 Flash Lite saves you $1.20/month

That's 65% cheaper than GPT-5.4 Nano 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 LiteGPT-5.4 Nano
Context Window1.0M400K
Max Output Tokens65,535128,000
Open SourceNoNo
CreatedJul 22, 2025Mar 17, 2026
Last updated: 1h ago

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