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Gemini 3.8 Flash (batch) vs GPT Luna Latest

vs
GPT Luna Latest

~openai

40#243
Signal-by-Signal Comparison
SignalGemini 3.8 Flash (batch)DeltaGPT Luna Latest
Capabilities
100
--
100
Pricing
98
-1
99
Context window size
96
0
96
Recency
100
--
100
Output Capacity
77
-5
82
Overall Result
0 wins
of 5
3 wins
GPT Luna Latest wins 3 of 5 signals

Score History

Score History (2 data points)
Gemini 3.8 Flash (batch)GPT Luna Latest
Gemini 3.8 Flash (batch)

81

current score

Leader

Gemini 3.8 Flash (batch)

right now

GPT Luna Latest

40

current score

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

Gemini 3.8 Flash (batch)

Google

Per request$0.001312
Daily$4.38
Monthly$131.25
Annual$1575.00

GPT Luna Latest

~openai

Best Value
Per request$0.000800
Daily$2.67
Monthly$80.00
Annual$960.00

GPT Luna Latest saves you $51.25/month

That's $615.00/year compared to Gemini 3.8 Flash (batch) at your current usage level of 100K calls/month.

39% cheaper
Choose GPT Luna Latest for cost optimization

Gemini 3.8 Flash (batch) pricing:
Input:$0.38/M tokens
Output:$1.88/M tokens
GPT Luna Latest pricing:
Input:$0.20/M tokens
Output:$1.20/M tokens
Winner
Gemini 3.8 Flash (batch)

Google

81

Composite Score

GPT Luna Latest

~openai

40

Composite Score

Signal-by-Signal Comparison
MetricGemini 3.8 Flash (batch)GPT Luna LatestWinner
Overall Score
81
40
Gemini 3.8 Flash (batch)
Rank#85#243
Gemini 3.8 Flash (batch)
Quality Rank#85#243
Gemini 3.8 Flash (batch)
Adoption Rank#85#243
Gemini 3.8 Flash (batch)
Parameters------
Context Window1049K1050K
GPT Luna Latest
Pricing$0.38/$1.88/M$0.20/$1.20/M--
Signal Scores
Capabilities
100
100
Gemini 3.8 Flash (batch)
Pricing
98
99
GPT Luna Latest
Context window size
96
96
GPT Luna Latest
Recency
100
100
Gemini 3.8 Flash (batch)
Output Capacity
77
82
GPT Luna Latest
Benchmark Head-to-Head(1 benchmarks)
Gemini 3.8: 0GPT Luna: 0
Gemini 3.8
GPT Luna
Normalized 0-100%
HLE
44.52%-
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 3.8 Flash (batch)Strong Performer

Scores 81/100 (rank #85), placing it in the top 71% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT Luna LatestEntry Level

Scores 40/100 (rank #243), placing it in the top 17% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 3.8 Flash (batch) has a 41-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 3.8 Flash (batch) when you need:

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

Choose GPT Luna Latest 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 3.8 Flash (batch)Best Value
Input cost$0.38/M tokens
Output cost$1.88/M tokens
Cost per quality point$0.028
Est. monthly (1M tokens/day)$33.75
GPT Luna Latest
Input cost$0.20/M tokens
Output cost$1.20/M tokens
Cost per quality point$0.035
Est. monthly (1M tokens/day)$21.00

Gemini 3.8 Flash (batch) offers 38% better value per quality point. At 1M tokens/day, you'd spend $21.00/month with GPT Luna Latest vs $33.75/month with Gemini 3.8 Flash (batch) - a $12.75 monthly difference.

Latency & Speed
Gemini 3.8 Flash (batch)Faster
Speed score0/100
GPT Luna Latest
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 3.8 Flash (batch)

Customer support chatbot

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

Gemini 3.8 Flash (batch)

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT Luna Latest

Batch data extraction

Lower output pricing ($1.20/M) reduces costs when processing thousands of records daily

GPT Luna Latest

Creative writing & content

Higher overall composite score (81/100) correlates with better nuance, coherence, and style in long-form content

Gemini 3.8 Flash (batch)

Image understanding & OCR

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

Gemini 3.8 Flash (batch)
Which Should You Choose?
Our recommendation:
Gemini 3.8 Flash (batch)

Gemini 3.8 Flash (batch) clearly outperforms GPT Luna Latest with a significant 41-point lead. For most general use cases, Gemini 3.8 Flash (batch) is the stronger choice. However, GPT Luna Latest 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 ~openai

  • Choose for Cost - 38% lower pricing; better value at scale
Capability Comparison
CapabilityGemini 3.8 Flash (batch)GPT Luna Latest
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 3.8 Flash (batch)

Google

$2.92
estimated monthly cost

GPT Luna Latest

~openai

Best Value
$1.80
estimated monthly cost

GPT Luna Latest saves you $1.13/month

That's 38% cheaper than Gemini 3.8 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 3.8 Flash (batch)GPT Luna Latest
Context Window1.0M1.1M
Max Output Tokens65,536128,000
Open SourceNoNo
CreatedSep 2, 2026Sep 11, 2026
Last updated: 55m ago

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