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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Gemini 3.6 Flash vs GPT-5 mini

Pairwise benchmark snapshot · Aug 16, 2026

Gemini 3.6 Flash vs GPT-5 mini benchmark

In this head-to-head showdown, Gemini 3.6 Flash delivers higher overall intelligence and human-preferred responses (Elo 1,506 vs 1,410), while Gemini 3.6 Flash leads in SWE-bench software engineering benchmarks (70.8%), while GPT-5 mini is more budget-friendly at $2/1M per 1M output tokens, while Gemini 3.6 Flash provides faster response streaming (198 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose Gemini 3.6 Flash if your priority is peak reasoning, complex code generation, and top preference Elo. Choose GPT-5 mini if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Verified Head-to-Head Advantage Breakdown

10 direct benchmark disciplines evaluated across capability, speed, and cost

Gemini 3.6 Flash (8)GPT-5 mini (2)
Gemini 3.6 Flash
8 of 10 Wins
✓Preference Elo✓Coding Elo✓LiveBench✓SWE-bench✓GPQA Diamond✓Time to first token✓Output speed✓Context window
GPT-5 mini
2 of 10 Wins
✓Input price✓Output price
Google
Leads 8 of 10 metrics
Gemini 3.6 Flash

Google Jul 21 workhorse. Now shares the 3.7 Flash introductory $0.75/$3.75 rate through Dec 31 2026.

3.6 FlashElo 1,506$3.75/1M out
OpenAI
Leads 2 of 10 metrics
GPT-5 mini

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

Mini DistillElo 1,410$2/1M out

Gemini 3 Series Lineage & Sibling Variants

5 models

Currently comparing Gemini 3.6 Flash vs GPT-5 mini. Alternative family tiers available.

Active: Gemini 3.6 Flash
Gemini 3 Pro$5Gemini 3 Flash$0.6Gemini 3.6 Pro$5Gemini 3.7 Flash$3.75
Top Rival Showdowns for Gemini 3.6 Flash
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference LeaderGemini 3.6 Flash Wins

Gemini 3.6 Flash

Δ 96 Arena Elo pts

Throughput LeaderGemini 3.6 Flash Wins

Gemini 3.6 Flash

198 tok/s

Value per Dollar LeaderGPT-5 mini Wins

GPT-5 mini

$2 / 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 Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
Percentile 0–100
Head-to-Head Comparison

Overall Matchup Breakdown

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

Gemini 3.6 Flash (8)vsGPT-5 mini (2)
Gemini 3.6 Flash: 8W (80%)Overall: Gemini 3.6 FlashGPT-5 mini: 2W (20%)
← Gemini 3.6 FlashGPT-5 mini →
🏆Gemini 3.6 Flash(5/5)

Intelligence & Reasoning

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

Benchmark
Gemini 3.6 FlashvsGPT-5 mini
Preference Elo
1,506vs1,410+96
Coding Elo
1,514vs1,395+119
SWE-bench
70.8%vs52.4%+18.4%
LiveBench
67.2%vs61.2%+6%
GPQA Diamond
79.6%vs72%+7.6%
Gemini 3.6 Flash: 5WGPT-5 mini: 0W
🏆Gemini 3.6 Flash(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Gemini 3.6 FlashvsGPT-5 mini
Output speed
198 tok/svs155 tok/s+43 tok/s
Time to first token
92 msvs140 ms+48 ms
Gemini 3.6 Flash: 2WGPT-5 mini: 0W
🏆GPT-5 mini(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Gemini 3.6 FlashvsGPT-5 mini
Output price
$3.75/1Mvs$2/1M+$1.75/1M
Input price
$0.75/1Mvs$0.25/1M+$0.5/1M
Context window
1Mvs400k+649k
Gemini 3.6 Flash: 1WGPT-5 mini: 2W

Side-by-Side Benchmark Matrix

Preference Elo+96
Gemini 3.6 Flash1,506
seed-bootstrap · Aug 16, 2026
GPT-5 mini1,410
seed-bootstrap · Aug 1, 2026
Coding Elo+119
Gemini 3.6 Flash1,514
seed-bootstrap · Aug 16, 2026
GPT-5 mini1,395
seed-bootstrap · Aug 1, 2026
LiveBench+6%
Gemini 3.6 Flash67.2%
seed-bootstrap · Aug 16, 2026
GPT-5 mini61.2%
seed-bootstrap · Aug 1, 2026
SWE-bench+18.4%
Gemini 3.6 Flash70.8%
seed-bootstrap · Aug 16, 2026
GPT-5 mini52.4%
seed-bootstrap · Aug 1, 2026
GPQA Diamond+7.6%
Gemini 3.6 Flash79.6%
seed-bootstrap · Aug 16, 2026
GPT-5 mini72%
seed-bootstrap · Aug 1, 2026
Time to first token+48 ms
Gemini 3.6 Flash92 ms
seed-bootstrap · Aug 16, 2026
GPT-5 mini140 ms
seed-bootstrap · Aug 1, 2026
Output speed+43 tok/s
Gemini 3.6 Flash198 tok/s
seed-bootstrap · Aug 16, 2026
GPT-5 mini155 tok/s
seed-bootstrap · Aug 1, 2026
Input price+$0.5/1M
Gemini 3.6 Flash$0.75/1M
seed-bootstrap · Aug 16, 2026
GPT-5 mini$0.25/1M
seed-bootstrap · Aug 1, 2026
Output price+$1.75/1M
Gemini 3.6 Flash$3.75/1M
seed-bootstrap · Aug 16, 2026
GPT-5 mini$2/1M
seed-bootstrap · Aug 1, 2026
Context window+649k
Gemini 3.6 Flash1M
seed-bootstrap · Aug 16, 2026
GPT-5 mini400k
seed-bootstrap · Aug 1, 2026
BenchmarkGemini 3.6 FlashGPT-5 miniAdvantage Delta
Preference Elo
1,506
seed-bootstrap · Aug 16, 2026
1,410
seed-bootstrap · Aug 1, 2026
+96
Coding Elo
1,514
seed-bootstrap · Aug 16, 2026
1,395
seed-bootstrap · Aug 1, 2026
+119
LiveBench
67.2%
seed-bootstrap · Aug 16, 2026
61.2%
seed-bootstrap · Aug 1, 2026
+6%
SWE-bench
70.8%
seed-bootstrap · Aug 16, 2026
52.4%
seed-bootstrap · Aug 1, 2026
+18.4%
GPQA Diamond
79.6%
seed-bootstrap · Aug 16, 2026
72%
seed-bootstrap · Aug 1, 2026
+7.6%
Time to first token
92 ms
seed-bootstrap · Aug 16, 2026
140 ms
seed-bootstrap · Aug 1, 2026
+48 ms
Output speed
198 tok/s
seed-bootstrap · Aug 16, 2026
155 tok/s
seed-bootstrap · Aug 1, 2026
+43 tok/s
Input price
$0.75/1M
seed-bootstrap · Aug 16, 2026
$0.25/1M
seed-bootstrap · Aug 1, 2026
+$0.5/1M
Output price
$3.75/1M
seed-bootstrap · Aug 16, 2026
$2/1M
seed-bootstrap · Aug 1, 2026
+$1.75/1M
Context window
1M
seed-bootstrap · Aug 16, 2026
400k
seed-bootstrap · Aug 1, 2026
+649k
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 53% with GPT-5 mini
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Gemini 3.6 Flash$82.50 / mo
In: $26.25Out: $56.25
GPT-5 mini$38.75 / mo
In: $8.75Out: $30
Estimated Cost Delta

GPT-5 mini is estimated to save $43.75/month ($525/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Gemini 3.6 Flash:Pick Gemini 3.6 Flash when repo-level coding accuracy is the constraint.
  • 2
    GPT-5 mini:Pick GPT-5 mini when you are optimizing output cost.
  • 3
    Gemini 3.6 Flash:Pick Gemini 3.6 Flash when time-to-first-token matters more than peak Elo.

Recommended Workload Routing

Repo / coding agentsGemini 3.6 Flash

Higher SWE-bench (70.8%).

High-volume chatGPT-5 mini

Lower output list price ($2/1M).

Voice / low-latency UIGemini 3.6 Flash

Lower TTFT (92 ms).

Long-document RAGGemini 3.6 Flash

Larger window (1M).

Screenshots / visionGemini 3.6 Flash

Both accept images. Defaulting to the higher-Elo side (Gemini 3.6 Flash).

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsGemini 3.6 FlashHigher SWE-bench (70.8%).
High-volume chatGPT-5 miniLower output list price ($2/1M).
Voice / low-latency UIGemini 3.6 FlashLower TTFT (92 ms).
Long-document RAGGemini 3.6 FlashLarger window (1M).
Screenshots / visionGemini 3.6 FlashBoth accept images. Defaulting to the higher-Elo side (Gemini 3.6 Flash).

Related Editorial Dispatches & Benchmark Notes

View all news
priceAug 13, 2026

Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate

Jul 21 workhorse that inherited $0.75/$3.75 through year-end. Keep the row; 3.7 is the newer sibling.

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.

Community Sentiment

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Google

Gemini 3.6 Flash

Elo 1,506
SWE-bench70.8%
Speed (tok/s)198 tok/s
Input / 1M Tokens$0.75/1M
Output / 1M Tokens$3.75/1M
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, Gemini 3.6 Flash or GPT-5 mini?
Gemini 3.6 Flash has the higher preference Elo in our latest snapshot (1,506). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, Gemini 3.6 Flash or GPT-5 mini?
Gemini 3.6 Flash leads SWE-bench at 70.8% vs 52.4%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?
GPT-5 mini output tokens are $2/1M versus $3.75/1M. Input prices and retry rates still move the real bill.
Which is faster, Gemini 3.6 Flash or GPT-5 mini?
Gemini 3.6 Flash has the lower time-to-first-token (92 ms vs 140 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?
Gemini 3.6 Flash 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. Gemini 3.6 Flash and GPT-5 mini Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • price · Aug 13, 2026

    Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate

  • launch · Aug 8, 2025

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

Similar Head-to-Head Comparisons

All Gemini 3.6 Flash matchups →|All GPT-5 mini matchups →
Gemini 3.6 Flash vs Gemini 3 Flash (previous gemini-flash)Gemini 3.6 Flash vs Gemini 3.7 Flash (next gemini-flash)GPT-5 mini vs OpenAI o3-mini (previous gpt-mini)GPT-5 mini vs GPT-5.6 Luna (next gpt-mini)Gemini 2.0 Flash Thinking vs Gemini 3.6 FlashGPT-4.5 Orion vs Gemini 3.6 Flash