Pairwise benchmark snapshot · Aug 16, 2026

Gemini 3 Flash vs Qwen3.8 27B benchmark

Name: Gemini 3 Flash vs Qwen3.8 27B AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

This page compares Gemini 3 Flash (Google) and Qwen3.8 27B (Alibaba) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, Gemini 3 Flash is ahead by 97 points (1,495 vs 1,398; seed-bootstrap (Aug 1, 2026)). On SWE-bench coding, Gemini 3 Flash resolves 75.8% versus 58.8% (seed-bootstrap (Aug 1, 2026)). Gemini 3 Flash streams faster (190 tok/s) while Gemini 3 Flash is the cheaper output token ($3/1M). Gemini 3 Flash has the larger context window (1M tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.

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Google

Gemini 3 Flash

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

Elo 1,495$3/1M out

Alibaba

Qwen3.8 27B

Alibaba open-weight 27B drop dated Aug 14 2026. Dense enough to self-host; not a frontier MoE.

Elo 1,398$3.1999999999999997/1M out

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Model A

Model B

Quick vs:vs Claude Opus 4.5 vs Claude Opus 4.6 vs Claude Sonnet 4.5 vs Claude 3.7 Sonnet

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Gemini 3 Flash (9)vsQwen3.8 27B (1)

Gemini 3 Flash: 9W (90%)Overall: Gemini 3 FlashQwen3.8 27B: 1W (10%)

← Gemini 3 FlashQwen3.8 27B →

Gemini 3 Flash (5/5)

Intelligence & Reasoning

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

Preference Elo

1,495vs1,398

Coding Elo

1,510vs1,422

SWE-bench

75.8%vs58.8%

LiveBench

66.8%vs60.6%

GPQA Diamond

78.4%vs73.4%

Gemini 3 Flash: 5WQwen3.8 27B: 0W

Gemini 3 Flash (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

190 tok/svs152 tok/s

Time to first token

95 msvs140 ms

Gemini 3 Flash: 2WQwen3.8 27B: 0W

Gemini 3 Flash (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$3/1Mvs$3.2/1M

Input price

$0.5/1Mvs$0.45/1M

Context window

1Mvs262k

Gemini 3 Flash: 2WQwen3.8 27B: 1W

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect

Percentile 0–100

Dimensional AdvantageGemini 3 Flash 6/6

Preference Elo

Gemini 3 Flash

97 pts advantage

Throughput Speed

Gemini 3 Flash

38 tok/s faster

Price Efficiency

Gemini 3 Flash

$0.20/1M cheaper

Full Benchmark Score Matrix

—

Elo

High is better

+7%1,495

EloHigh is better

1,398

Code Elo

High is better

+6%1,510

Code EloHigh is better

1,422

LiveBench

High is better

+10%66.8%

LiveBenchHigh is better

60.6%

SWE-bench

High is better

+29%75.8%

SWE-benchHigh is better

58.8%

GPQA

High is better

+7%78.4%

GPQAHigh is better

73.4%

TTFT

Low is better

+47%95 ms

TTFTLow is better

140 ms

Speed

High is better

+25%190 tok/s

SpeedHigh is better

152 tok/s

In $

Low is better

$0.5/1M

In $Low is better

$0.45/1M+11%

Out $

Low is better

+7%$3/1M

Out $Low is better

$3.2/1M

Context

High is better

+300%1M

ContextHigh is better

262k

Interactive Simulator

Workload Cost & Savings Calculator

Simulate monthly production API costs based on published $/1M tokens.

Save up to 2% 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: $17.50Out: $45.00

Qwen3.8 27B$63.75 / mo

In: $15.75Out: $48.00

Estimated Cost Delta

Gemini 3 Flash is estimated to save $1.25/month ($15/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

1
Gemini 3 Flash:Pick Gemini 3 Flash when repo-level coding accuracy is the constraint.
2
Gemini 3 Flash:Pick Gemini 3 Flash when time-to-first-token matters more than peak Elo.
3
Gemini 3 Flash:Pick Gemini 3 Flash for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsGemini 3 Flash

Higher SWE-bench (75.8%).

High-volume chatGemini 3 Flash

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

Voice / low-latency UIGemini 3 Flash

Lower TTFT (95 ms).

Long-document RAGGemini 3 Flash

Larger window (1M).

Screenshots / visionGemini 3 Flash

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

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	Gemini 3 Flash	Higher SWE-bench (75.8%).
High-volume chat	Gemini 3 Flash	Lower output list price ($3/1M).
Voice / low-latency UI	Gemini 3 Flash	Lower TTFT (95 ms).
Long-document RAG	Gemini 3 Flash	Larger window (1M).
Screenshots / vision	Gemini 3 Flash	Gemini 3 Flash is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news

launchAug 14, 2026

Qwen3.8 27B (Aug 14): dense enough to self-host, not a frontier MoE

Alibaba open-weight 27B drop. Local/open-weight lists should see it. It will not win frontier-agents.

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.

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LIVE

Google

Gemini 3 Flash

Elo 1,495

LiveBench66.8%

SWE-bench75.8%

Speed190 tok/s

Output cost$3/1M

Alibaba

Qwen3.8 27B

Elo 1,398

LiveBench60.6%

SWE-bench58.8%

Speed152 tok/s

Output cost$3.2/1M

Frequently Asked Questions

Which is better overall, Gemini 3 Flash or Qwen3.8 27B?: Gemini 3 Flash has the higher preference Elo in our latest snapshot (1,495). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, Gemini 3 Flash or Qwen3.8 27B?: Gemini 3 Flash leads SWE-bench at 75.8% vs 58.8%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?: Gemini 3 Flash output tokens are $3/1M versus $3.2/1M. Input prices and retry rates still move the real bill.
Which is faster, Gemini 3 Flash or Qwen3.8 27B?: Gemini 3 Flash has the lower time-to-first-token (95 ms vs 140 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?: Gemini 3 Flash accepts 1M tokens versus 262k.
Can I self-host either model?: Qwen3.8 27B is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.
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 Qwen3.8 27B Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Gemini 3 Flash matchups →|All Qwen3.8 27B matchups →

Gemini 3 Flash vs Gemini 2.5 Flash (previous gemini-flash)Gemini 3 Flash vs Gemini 3.6 Flash (next gemini-flash)Qwen3.8 27B vs Qwen 3 Max (previous qwen)Qwen QwQ 32B vs Gemini 3 Flash Gemini 2.0 Flash Thinking vs Gemini 3 Flash Qwen 3 Max vs Gemini 3 Flash

Gemini 3 Flash vs Qwen3.8 27B benchmark

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Gemini 3 Flash (9)vsQwen3.8 27B (1)

Gemini 3 Flash: 9W (90%)Overall: Gemini 3 FlashQwen3.8 27B: 1W (10%)

← Gemini 3 FlashQwen3.8 27B →

Gemini 3 Flash (5/5)

Intelligence & Reasoning

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

Preference Elo

1,495vs1,398

Coding Elo

1,510vs1,422

SWE-bench

75.8%vs58.8%

LiveBench

66.8%vs60.6%

GPQA Diamond

78.4%vs73.4%

Gemini 3 Flash: 5WQwen3.8 27B: 0W

Gemini 3 Flash (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

190 tok/svs152 tok/s

Time to first token

95 msvs140 ms

Gemini 3 Flash: 2WQwen3.8 27B: 0W

Gemini 3 Flash (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$3/1Mvs$3.2/1M

Input price

$0.5/1Mvs$0.45/1M

Context window

1Mvs262k

Gemini 3 Flash: 2WQwen3.8 27B: 1W

Recommended Workload Routing

Repo / coding agentsGemini 3 Flash

Higher SWE-bench (75.8%).

High-volume chatGemini 3 Flash

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

Voice / low-latency UIGemini 3 Flash

Lower TTFT (95 ms).

Long-document RAGGemini 3 Flash

Larger window (1M).

Screenshots / visionGemini 3 Flash

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

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	Gemini 3 Flash	Higher SWE-bench (75.8%).
High-volume chat	Gemini 3 Flash	Lower output list price ($3/1M).
Voice / low-latency UI	Gemini 3 Flash	Lower TTFT (95 ms).
Long-document RAG	Gemini 3 Flash	Larger window (1M).
Screenshots / vision	Gemini 3 Flash	Gemini 3 Flash is the side marked multimodal in the catalog.

Frequently Asked Questions

Which is better overall, Gemini 3 Flash or Qwen3.8 27B?

Gemini 3 Flash has the higher preference Elo in our latest snapshot (1,495). “Better” still depends on coding, price, and latency — see the table.

Which is better at coding, Gemini 3 Flash or Qwen3.8 27B?

Gemini 3 Flash leads SWE-bench at 75.8% vs 58.8%. SWE-bench is one harness, not your repo.

Which is cheaper to run in production?

Gemini 3 Flash output tokens are $3/1M versus $3.2/1M. Input prices and retry rates still move the real bill.

Which is faster, Gemini 3 Flash or Qwen3.8 27B?

Gemini 3 Flash has the lower time-to-first-token (95 ms vs 140 ms). Tokens/sec is a separate column if you care about long completions.

Which has the larger context window?

Gemini 3 Flash accepts 1M tokens versus 262k.

Can I self-host either model?

Qwen3.8 27B is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.

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 Qwen3.8 27B Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

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Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Intelligence & Reasoning

Speed & Latency

Pricing & Capacity

Multi-Dimensional Capability Radar

Gemini 3 Flash

Gemini 3 Flash

Gemini 3 Flash

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Qwen3.8 27B (Aug 14): dense enough to self-host, not a frontier MoE

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

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CompareLLM Matrix

Gemini 3 Flash

Qwen3.8 27B

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Intelligence & Reasoning

Speed & Latency

Pricing & Capacity

Multi-Dimensional Capability Radar

Gemini 3 Flash

Gemini 3 Flash

Gemini 3 Flash

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Qwen3.8 27B (Aug 14): dense enough to self-host, not a frontier MoE

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

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

Gemini 3 Flash

Qwen3.8 27B

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons