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  3. Gemini 2.5 Flash vs Qwen: Qwen3 Coder Next

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

Gemini 2.5 Flash vs Qwen: Qwen3 Coder Next benchmark

This page compares Gemini 2.5 Flash (Google) and Qwen: Qwen3 Coder Next (Alibaba) using the latest snapshots we have as of Aug 17, 2026. Qwen: Qwen3 Coder Next wins on output price at $0.8/1M. Gemini 2.5 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.

Quick answer

Gemini 2.5 Flash vs Qwen: Qwen3 Coder Next is a dated snapshot, not a lab score. Qwen: Qwen3 Coder Next is the cheaper output token. Elo is crowd preference, not an exam. Pick the column that matches the job.
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Google

Gemini 2.5 Flash

Previous Google speed workhorse.

2.5 FlashElo 1,295$2.5/1M out

Alibaba

Qwen: Qwen3 Coder Next

Auto-discovered from OpenRouter (qwen/qwen3-coder-next). Preview until a second source matches.

$0.7999999999999999/1M out
Model Lineage & Multi-Tier Derivatives🇺🇸 US Frontier

Gemini 2.5 Series Family (2 models)

Compare vs Base (Gemini 2.5 Pro)
Gemini 2.5 Pro
Google
Flagship Base
Elo
1350
Speed
95 tok/s
Price
$10.00 / 1M
View model →vs this
Gemini 2.5 Flash
Google
2.5 Flash
Elo
1295
Speed
185 tok/s
Price
$2.50 / 1M
-55 Elo-75% cost1.9x speed
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Quick vs:vs Claude Opus 4.5vs Claude Opus 4.6vs Claude Sonnet 4.5vs Claude 3.7 Sonnet

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Gemini 2.5 Flash (7)vsQwen: Qwen3 Coder Next (2)
Gemini 2.5 Flash: 7W (78%)Overall: Gemini 2.5 FlashQwen: Qwen3 Coder Next: 2W (22%)
← Gemini 2.5 FlashQwen: Qwen3 Coder Next →
Gemini 2.5 Flash (4/5)

Intelligence & Reasoning

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

Preference Elo
1,295vs—
Coding Elo
—vs—
SWE-bench
48%vs—
LiveBench
51.4%vs—
GPQA Diamond
68.2%vs—
Gemini 2.5 Flash: 4WQwen: Qwen3 Coder Next: 0W
Gemini 2.5 Flash (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed
185 tok/svs—
Time to first token
110 msvs—
Gemini 2.5 Flash: 2WQwen: Qwen3 Coder Next: 0W
Qwen: Qwen3 Coder Next (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price
$2.5/1Mvs$0.8/1M
Input price
$0.3/1Mvs$0.12/1M
Context window
1Mvs262k
Gemini 2.5 Flash: 1WQwen: Qwen3 Coder Next: 2W
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 2.5 Flash 5/6
Preference Elo

No shared data

No shared data

Throughput Speed

No shared data

No shared data

Token Price Efficiency

Qwen: Qwen3 Coder Next

$1.70/1M cheaper

Full Benchmark Score Matrix

—
Elo
High is better
1,295
EloHigh is better
—
LiveBench
High is better
51.4%
LiveBenchHigh is better
—
SWE-bench
High is better
48%
SWE-benchHigh is better
—
GPQA
High is better
68.2%
GPQAHigh is better
—
TTFT
Low is better
110 ms
TTFTLow is better
—
Speed
High is better
185 tok/s
SpeedHigh is better
—
In $
Low is better
$0.30 / 1M
In $Low is better
$0.12 / 1M+150%
Out $
Low is better
$2.50 / 1M
Out $Low is better
$0.80 / 1M+213%
Context
High is better
+300%1M
ContextHigh is better
262k
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 66% with Qwen: Qwen3 Coder Next
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Gemini 2.5 Flash$48.00 / mo
In: $10.5Out: $37.5
Qwen: Qwen3 Coder Next$16.20 / mo
In: $4.2Out: $12
Estimated Cost Delta

Qwen: Qwen3 Coder Next is estimated to save $31.80/month ($382/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Qwen: Qwen3 Coder Next:Pick Qwen: Qwen3 Coder Next when you are optimizing output cost.
  • 2
    Gemini 2.5 Flash:Pick Gemini 2.5 Flash for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatQwen: Qwen3 Coder Next

Lower output list price ($0.8/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGemini 2.5 Flash

Larger window (1M).

Screenshots / visionGemini 2.5 Flash

Gemini 2.5 Flash is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatQwen: Qwen3 Coder NextLower output list price ($0.8/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGemini 2.5 FlashLarger window (1M).
Screenshots / visionGemini 2.5 FlashGemini 2.5 Flash is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchMar 25, 2025

Gemini 2.5 Flash: previous Google speed workhorse, still a baseline

Useful as a cheap historical compare. 3.7 Flash is the 2026 volume SKU.

Community Sentiment

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CompareLLM Matrix

Verified head-to-head card

LIVE
VS
Google

Gemini 2.5 Flash

Elo 1,295
LiveBench51.4%
SWE-bench48%
Speed185 tok/s
Output cost$2.5/1M
Alibaba

Qwen: Qwen3 Coder Next

Elo n/a
LiveBench—
SWE-bench—
Speed—
Output cost$0.8/1M

Frequently Asked Questions

Which is better overall, Gemini 2.5 Flash or Qwen: Qwen3 Coder Next?
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 2.5 Flash or Qwen: Qwen3 Coder Next?
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?
Qwen: Qwen3 Coder Next output tokens are $0.8/1M versus $2.5/1M. Input prices and retry rates still move the real bill.
Which is faster, Gemini 2.5 Flash or Qwen: Qwen3 Coder Next?
We do not have TTFT for both models.
Which has the larger context window?
Gemini 2.5 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 2.5 Flash and Qwen: Qwen3 Coder Next Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Mar 25, 2025

    Gemini 2.5 Flash: previous Google speed workhorse, still a baseline

Similar Head-to-Head Comparisons

All Gemini 2.5 Flash matchups →|All Qwen: Qwen3 Coder Next matchups →
Gemini 2.5 Flash vs Gemini 2.0 Flash Thinking (previous gemini-flash)Gemini 2.5 Flash vs Gemini 3 Flash (next gemini-flash)Gemini 3 Pro vs Gemini 2.5 FlashQwen 3 Max vs Gemini 2.5 FlashGemini 3.6 Pro vs Gemini 2.5 FlashGemini 3.6 Flash vs Gemini 2.5 Flash