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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 Flash vs Mistral: Mistral Medium 3.5

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Gemini 3 Flash vs Mistral: Mistral Medium 3.5 benchmark

In this head-to-head showdown, Gemini 3 Flash is more budget-friendly at $3/1M 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 Gemini 3 Flash and Mistral: Mistral Medium 3.5 present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Verified Head-to-Head Advantage Breakdown

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

Gemini 3 Flash (3)Mistral: Mistral Medium 3.5 (0)
Gemini 3 Flash
3 of 3 Wins
✓Input price✓Output price✓Context window
Mistral: Mistral Medium 3.5
0 of 3 Wins
Competitive baseline across remaining benchmarks
Google
Leads 3 of 3 metrics
Gemini 3 Flash

Fast Google frontier-adjacent model. Near-top official SWE-bench at a fraction of Opus price.

Flash TurboElo 1,495$3/1M out
Mistral
Mistral: Mistral Medium 3.5

Auto-discovered from OpenRouter (mistralai/mistral-medium-3-5). Preview until a second source matches.

$7.5/1M out

Gemini 3 Series Lineage & Sibling Variants

5 models

Currently comparing Gemini 3 Flash vs Mistral: Mistral Medium 3.5. Alternative family tiers available.

Active: Gemini 3 Flash
Gemini 3 Pro$5Gemini 3.6 Pro$5Gemini 3.6 Flash$3.75Gemini 3.7 Flash$1.88
Top Rival Showdowns for Gemini 3 Flash
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 LeaderGemini 3 Flash Wins

Gemini 3 Flash

$3 / 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
0–100 %ile
Head-to-Head Comparison

Overall Matchup Breakdown

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

Gemini 3 Flash (10)vsMistral: Mistral Medium 3.5 (0)
Gemini 3 Flash: 10W (100%)Overall: Gemini 3 FlashMistral: Mistral Medium 3.5: 0W (0%)
← Gemini 3 FlashMistral: Mistral Medium 3.5 →
🏆Gemini 3 Flash(5/5)

Intelligence & Reasoning

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

Benchmark
Gemini 3 FlashvsMistral: Mistral Medium 3.5
Preference Elo
1,495vs—
Coding Elo
1,510vs—
SWE-bench
75.8%vs—
LiveBench
66.8%vs—
GPQA Diamond
78.4%vs—
Gemini 3 Flash: 5WMistral: Mistral Medium 3.5: 0W
🏆Gemini 3 Flash(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Gemini 3 FlashvsMistral: Mistral Medium 3.5
Output speed
190 tok/svs—
Time to first token
95 msvs—
Gemini 3 Flash: 2WMistral: Mistral Medium 3.5: 0W
🏆Gemini 3 Flash(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Gemini 3 FlashvsMistral: Mistral Medium 3.5
Output price
$3/1Mvs$7.5/1M+$4.5/1M
Input price
$0.5/1Mvs$1.5/1M+$1/1M
Context window
1Mvs262k+786k
Gemini 3 Flash: 3WMistral: Mistral Medium 3.5: 0W

Side-by-Side Benchmark Matrix

Preference Elo
Gemini 3 Flash1,495
lmarena · Aug 17, 2026
Mistral: Mistral Medium 3.5—
Coding Elo
Gemini 3 Flash1,510
lmarena · Aug 17, 2026
Mistral: Mistral Medium 3.5—
LiveBench
Gemini 3 Flash66.8%
livebench · Aug 17, 2026
Mistral: Mistral Medium 3.5—
SWE-bench
Gemini 3 Flash75.8%
swebench · Aug 17, 2026
Mistral: Mistral Medium 3.5—
GPQA Diamond
Gemini 3 Flash78.4%
seed-bootstrap · Aug 1, 2026
Mistral: Mistral Medium 3.5—
Time to first token
Gemini 3 Flash95 ms
seed-bootstrap · Aug 1, 2026
Mistral: Mistral Medium 3.5—
Output speed
Gemini 3 Flash190 tok/s
seed-bootstrap · Aug 1, 2026
Mistral: Mistral Medium 3.5—
Input price+$1/1M
Gemini 3 Flash$0.5/1M
openrouter · Aug 17, 2026
Mistral: Mistral Medium 3.5$1.5/1M
openrouter · Aug 17, 2026
Output price+$4.5/1M
Gemini 3 Flash$3/1M
openrouter · Aug 17, 2026
Mistral: Mistral Medium 3.5$7.5/1M
openrouter · Aug 17, 2026
Context window+786k
Gemini 3 Flash1M
openrouter · Aug 17, 2026
Mistral: Mistral Medium 3.5262k
openrouter · Aug 17, 2026
BenchmarkGemini 3 FlashMistral: Mistral Medium 3.5Advantage Delta
Preference Elo
1,495
lmarena · Aug 17, 2026
——
Coding Elo
1,510
lmarena · Aug 17, 2026
——
LiveBench
66.8%
livebench · Aug 17, 2026
——
SWE-bench
75.8%
swebench · Aug 17, 2026
——
GPQA Diamond
78.4%
seed-bootstrap · Aug 1, 2026
——
Time to first token
95 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
190 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$0.5/1M
openrouter · Aug 17, 2026
$1.5/1M
openrouter · Aug 17, 2026
+$1/1M
Output price
$3/1M
openrouter · Aug 17, 2026
$7.5/1M
openrouter · Aug 17, 2026
+$4.5/1M
Context window
1M
openrouter · Aug 17, 2026
262k
openrouter · Aug 17, 2026
+786k
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 62% with Gemini 3 Flash
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 Flash$62.50 / mo
In: $17.5Out: $45
Mistral: Mistral Medium 3.5$165.00 / mo
In: $52.5Out: $112.5
Estimated Cost Delta

Gemini 3 Flash is estimated to save $102.50/month ($1,230/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Gemini 3 Flash:Pick Gemini 3 Flash when you are optimizing output cost.
  • 2
    Gemini 3 Flash:Pick Gemini 3 Flash for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatGemini 3 Flash

Lower output list price ($3/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGemini 3 Flash

Larger window (1M).

Screenshots / visionGemini 3 Flash

Gemini 3 Flash is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatGemini 3 FlashLower output list price ($3/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGemini 3 FlashLarger window (1M).
Screenshots / visionGemini 3 FlashGemini 3 Flash is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchMar 16, 2026

Gemini 3 Flash: near-top official SWE-bench at a fraction of Opus

March 2026 speed SKU. Still a useful cheap-coding compare even after 3.6/3.7 Flash.

Community Sentiment

Cast Your Matchup Vote

0 total votes

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Google

Gemini 3 Flash

Elo 1,495
SWE-bench75.8%
Speed (tok/s)190 tok/s
Input / 1M Tokens$0.5/1M
Output / 1M Tokens$3/1M
Mistral

Mistral: Mistral Medium 3.5

Elo n/a
SWE-bench—
Speed (tok/s)262k
Input / 1M Tokens$1.5/1M
Output / 1M Tokens$7.5/1M

Frequently Asked Questions

Which is better overall, Gemini 3 Flash or Mistral: Mistral Medium 3.5?
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, Gemini 3 Flash or Mistral: Mistral Medium 3.5?
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?
Gemini 3 Flash output tokens are $3/1M versus $7.5/1M. Input prices and retry rates still move the real bill.
Which is faster, Gemini 3 Flash or Mistral: Mistral Medium 3.5?
We do not have TTFT for both models.
Which has the larger context window?
Gemini 3 Flash accepts 1M tokens versus 262k.
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 Flash and Mistral: Mistral Medium 3.5 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Mar 16, 2026

    Gemini 3 Flash: near-top official SWE-bench at a fraction of Opus

Similar Head-to-Head Comparisons

All Gemini 3 Flash matchups →|All Mistral: Mistral Medium 3.5 matchups →
Gemini 3 Flash vs Gemini 2.5 Flash (previous gemini-flash)Gemini 3 Flash vs Gemini 3.6 Flash (next gemini-flash)Gemini 2.0 Flash Thinking vs Gemini 3 FlashGemini 3.7 Flash vs Gemini 3 FlashMistral Large 3 vs Gemini 3 FlashGemini 3 Pro vs Gemini 3 Flash