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Every score has a dated snapshot.

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  3. Google: Gemini 2.5 Flash Lite vs GPT-5 mini
Independent ReportPairwise benchmark snapshot · Aug 17, 2026
noindex (thin pair)
Google: Gemini 2.5 Flash Lite(Google)
vs
GPT-5 mini(OpenAI)

Google: Gemini 2.5 Flash Lite vs GPT-5 mini benchmark

In this head-to-head showdown, Google: Gemini 2.5 Flash Lite is more budget-friendly at $0.4/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Google: Gemini 2.5 Flash Lite and GPT-5 mini present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Executive Verdict Summary

Google: Gemini 2.5 Flash Lite holds empirical advantage (3 of 3 metrics)

Coding / SWESWE-bench
GPT-5 miniTop code solve rate
ReasoningGPQA / Live
GPT-5 miniTop logical accuracy
Best Value$/1M Tok
Google: Gemini 2.5 Flash LiteLowest API billing cost
Speed / TokTok/Sec
GPT-5 miniFastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Google: Gemini 2.5 Flash Lite (3)GPT-5 mini (0)
Google: Gemini 2.5 Flash Lite
3 of 3 Wins
✓Input price✓Output price✓Context window
GPT-5 mini
0 of 3 Wins
Competitive baseline across remaining benchmarks
Google
Leads 3 of 3
Google: Gemini 2.5 Flash Lite

Auto-discovered from OpenRouter (google/gemini-2.5-flash-lite). Preview until a second source matches.

In: $0.1 · Out: $0.4/1M
OpenAI
GPT-5 mini

Cost-efficient GPT-5 distill for high-volume agents.

Mini DistillElo 1,410In: $0.25 · Out: $2/1M
Top Rival Showdowns for Google: Gemini 2.5 Flash Lite
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderGoogle: Gemini 2.5 Flash Lite Wins

Google: Gemini 2.5 Flash Lite

$0.39999999999999997 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Google: Gemini 2.5 Flash Lite (3)vsGPT-5 mini (7)
Google: Gemini 2.5 Flash Lite: 3W (30%)Overall: GPT-5 miniGPT-5 mini: 7W (70%)
← Google: Gemini 2.5 Flash LiteGPT-5 mini →
🏆GPT-5 mini Leads(5/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
Google: Gemini 2.5 Flash LitevsGPT-5 mini
Preference Elo
—vs1,410
Coding Elo
—vs1,395
SWE-bench
—vs52.4%
LiveBench
—vs61.2%
GPQA Diamond
—vs72%
Google: Gemini 2.5 Flash Lite: 0WGPT-5 mini: 5W
🏆GPT-5 mini Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Google: Gemini 2.5 Flash LitevsGPT-5 mini
Output speed
—vs155 tok/s
Time to first token
—vs140 ms
Google: Gemini 2.5 Flash Lite: 0WGPT-5 mini: 2W
🏆Google: Gemini 2.5 Flash Lite Leads(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Google: Gemini 2.5 Flash LitevsGPT-5 mini
Output price
$0.4/1Mvs$2/1M+$1.6/1M
Input price
$0.1/1Mvs$0.25/1M+$0.15/1M
Context window
1Mvs400k+649k
Google: Gemini 2.5 Flash Lite: 3WGPT-5 mini: 0W

Side-by-Side Benchmark Matrix

Google: Gemini 2.5 Flash LiteGPT-5 mini
Preference Elo
Google: Gemini 2.5 Flash Lite—
GPT-5 mini1,410
Coding Elo
Google: Gemini 2.5 Flash Lite—
GPT-5 mini1,395
LiveBench
Google: Gemini 2.5 Flash Lite—
GPT-5 mini61.2%
SWE-bench
Google: Gemini 2.5 Flash Lite—
GPT-5 mini52.4%
GPQA Diamond
Google: Gemini 2.5 Flash Lite—
GPT-5 mini72%
Time to first token
Google: Gemini 2.5 Flash Lite—
GPT-5 mini140 ms
Output speed
Google: Gemini 2.5 Flash Lite—
GPT-5 mini155 tok/s
Input priceGoogle: Gemini 2.5 Flash Lite +$0.15/1M
Google: Gemini 2.5 Flash Lite$0.1/1M
GPT-5 mini$0.25/1M
Output priceGoogle: Gemini 2.5 Flash Lite +$1.6/1M
Google: Gemini 2.5 Flash Lite$0.4/1M
GPT-5 mini$2/1M
Context windowGoogle: Gemini 2.5 Flash Lite +649k
Google: Gemini 2.5 Flash Lite1M
GPT-5 mini400k
BenchmarkGoogle: Gemini 2.5 Flash LiteGPT-5 miniAdvantage Delta
Preference Elo—
1,410
lmarena · Aug 17, 2026
—
Coding Elo—
1,395
lmarena · Aug 17, 2026
—
LiveBench—
61.2%
livebench · Aug 17, 2026
—
SWE-bench—
52.4%
swebench · Aug 17, 2026
—
GPQA Diamond—
72%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
140 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
155 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$0.1/1M
openrouter · Aug 17, 2026
$0.25/1M
openrouter · Aug 17, 2026
+$0.15/1M
Output price
$0.4/1M
openrouter · Aug 17, 2026
$2/1M
openrouter · Aug 17, 2026
+$1.6/1M
Context window
1M
openrouter · Aug 17, 2026
400k
openrouter · Aug 17, 2026
+649k

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save 75% with Google: Gemini 2.5 Flash Lite
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Google: Gemini 2.5 Flash Lite$9.50 / mo
In: $3.5Out: $6
GPT-5 mini$38.75 / mo
In: $8.75Out: $30
Estimated Cost Delta

Google: Gemini 2.5 Flash Lite is estimated to save $29.25/month ($351/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Google: Gemini 2.5 Flash Lite:Pick Google: Gemini 2.5 Flash Lite when you are optimizing output cost.
  • 2
    Google: Gemini 2.5 Flash Lite:Pick Google: Gemini 2.5 Flash Lite for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatGoogle: Gemini 2.5 Flash Lite

Lower output list price ($0.4/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGoogle: Gemini 2.5 Flash Lite

Larger window (1M).

Screenshots / visionGPT-5 mini

GPT-5 mini is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatGoogle: Gemini 2.5 Flash LiteLower output list price ($0.4/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGoogle: Gemini 2.5 Flash LiteLarger window (1M).
Screenshots / visionGPT-5 miniGPT-5 mini is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchAug 8, 2025

GPT-5 mini: the 2025 distill still useful as a cheap OpenAI baseline

High-volume agents that cannot pay Sol. Compare to Luna before you assume the new cheap SKU wins.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Google

Google: Gemini 2.5 Flash Lite

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$0.1/1M
Output / 1M Tokens$0.4/1M
OpenAI

GPT-5 mini

Elo 1,410
SWE-bench52.4%
Speed (tok/s)155 tok/s
Input / 1M Tokens$0.25/1M
Output / 1M Tokens$2/1M

Frequently Asked Questions

Which is better overall, Google: Gemini 2.5 Flash Lite or GPT-5 mini?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Google: Gemini 2.5 Flash Lite or GPT-5 mini?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Google: Gemini 2.5 Flash Lite output tokens are $0.4/1M versus $2/1M. Input prices and retry rates still move the real bill.
Which is faster, Google: Gemini 2.5 Flash Lite or GPT-5 mini?
We do not have TTFT for both models.
Which has the larger context window?
Google: Gemini 2.5 Flash Lite accepts 1M tokens versus 400k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Google: Gemini 2.5 Flash Lite and GPT-5 mini Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Aug 8, 2025

    GPT-5 mini: the 2025 distill still useful as a cheap OpenAI baseline

Similar Head-to-Head Comparisons

All Google: Gemini 2.5 Flash Lite matchups →|All GPT-5 mini matchups →
GPT-5 mini vs OpenAI: o3 Mini (previous gpt-mini)GPT-5 mini vs GPT-5.6 Luna (next gpt-mini)GPT-5 vs GPT-5 miniGemini 3 Pro vs GPT-5 miniGemini 3 Flash vs GPT-5 miniGPT-4.5 Orion vs GPT-5 mini