Skip to content

GPT-5.4 Image 2 vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Signal-by-Signal Comparison
SignalGPT-5.4 Image 2DeltaNano Banana 2 (Gemini 3.1 Flash Image Preview)
Capabilities
86
--
86
Benchmarks
90
+90
0
Pricing
85
-12
97
Context window size
97
+11
86
Recency
100
--
100
Output Capacity
100
+6
94
Overall Result
3 wins
of 6
1 wins
GPT-5.4 Image 2 wins 3 of 6 signals

Score History

Score History (24 data points)
GPT-5.4 Image 2Nano Banana 2 (Gemini 3.1 Flash Image Preview)
GPT-5.4 Image 2

91.3

current score

Leader

GPT-5.4 Image 2

right now

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

40

current score

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

GPT-5.4 Image 2

OpenAI

Per request$0.015500
Daily$51.67
Monthly$1550.00
Annual$18600.00

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google

Best Value
Per request$0.002000
Daily$6.67
Monthly$200.00
Annual$2400.00

Nano Banana 2 (Gemini 3.1 Flash Image Preview) saves you $1350.00/month

That's $16200.00/year compared to GPT-5.4 Image 2 at your current usage level of 100K calls/month.

87% cheaper
Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) for cost optimization

GPT-5.4 Image 2 pricing:
Input:$8.00/M tokens
Output:$15.00/M tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview) pricing:
Input:$0.50/M tokens
Output:$3.00/M tokens
Winner
GPT-5.4 Image 2

OpenAI

91

Composite Score

Signal-by-Signal Comparison
MetricGPT-5.4 Image 2Nano Banana 2 (Gemini 3.1 Flash Image Preview)Winner
Overall Score
91
40
GPT-5.4 Image 2
Rank#1#7
GPT-5.4 Image 2
Quality Rank#1#7
GPT-5.4 Image 2
Adoption Rank#1#7
GPT-5.4 Image 2
Parameters------
Context Window272K66K
GPT-5.4 Image 2
Pricing$8.00/$15.00/M$0.50/$3.00/M--
Signal Scores
Capabilities
86
86
GPT-5.4 Image 2
Benchmarks
90
--
GPT-5.4 Image 2
Pricing
85
97
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Context window size
97
86
GPT-5.4 Image 2
Recency
100
100
GPT-5.4 Image 2
Output Capacity
100
94
GPT-5.4 Image 2
Benchmark Head-to-Head(11 benchmarks)
GPT-5.4 Image: 0Nano Banana: 0
GPT-5.4 Image
Nano Banana
Normalized 0-100%
MMLU
94%-
MMLU-Pro
87%-
GPQA Diamond
88.5%-
MATH-500
95.5%-
HumanEval
97.5%-
SWE-bench Verified
80%-
IFEval
93.5%-
BBH
92%-
Arena Elo
1485-
LiveBench
79%-
HLE
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.

GPT-5.4 Image 2Elite Tier

Scores 91/100 (rank #1), placing it in the top 100% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Entry Level

Scores 40/100 (rank #7), placing it in the top 98% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.4 Image 2 has a 51-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose GPT-5.4 Image 2 when you need:

  • Processing long documents or large codebases (272K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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
GPT-5.4 Image 2
Input cost$8.00/M tokens
Output cost$15.00/M tokens
Cost per quality point$0.252
Est. monthly (1M tokens/day)$345.00
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Best Value
Input cost$0.50/M tokens
Output cost$3.00/M tokens
Cost per quality point$0.087
Est. monthly (1M tokens/day)$52.50

Nano Banana 2 (Gemini 3.1 Flash Image Preview) offers 85% better value per quality point. At 1M tokens/day, you'd spend $52.50/month with Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs $345.00/month with GPT-5.4 Image 2 - a $292.50 monthly difference.

Latency & Speed
GPT-5.4 Image 2Faster
Speed score0/100
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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

GPT-5.4 Image 2

Customer support chatbot

Suitable for user-facing chat with competitive response times. Nano Banana 2 (Gemini 3.1 Flash Image Preview) also offers lower per-token costs for high-volume support

GPT-5.4 Image 2

Long document analysis

Larger context window (272K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5.4 Image 2

Batch data extraction

Lower output pricing ($3.00/M) reduces costs when processing thousands of records daily

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Creative writing & content

Higher overall composite score (91/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.4 Image 2

Image understanding & OCR

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

GPT-5.4 Image 2
Which Should You Choose?
Our recommendation:
GPT-5.4 Image 2

GPT-5.4 Image 2 clearly outperforms Nano Banana 2 (Gemini 3.1 Flash Image Preview) with a significant 51.3-point lead. For most general use cases, GPT-5.4 Image 2 is the stronger choice. However, Nano Banana 2 (Gemini 3.1 Flash Image Preview) may still excel in niche scenarios.

GPT-5.4 Image 2
Recommended

by OpenAI

  • 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 - 85% lower pricing; better value at scale
Capability Comparison
CapabilityGPT-5.4 Image 2Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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)

GPT-5.4 Image 2

OpenAI

$32.40
estimated monthly cost

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google

Best Value
$4.50
estimated monthly cost

Nano Banana 2 (Gemini 3.1 Flash Image Preview) saves you $27.90/month

That's 86% cheaper than GPT-5.4 Image 2 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
ParameterGPT-5.4 Image 2Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Context Window272K66K
Max Output Tokens128,00065,536
Open SourceNoNo
CreatedApr 21, 2026Feb 26, 2026
Last updated: 11m ago

相关对比

GPT-5.4 Image 2 vs Nano Banana 2 (Gemini 3.1 Flash Image Preview) (2026) | LM Market Cap