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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. OpenAI o1-mini vs Qwen3 235B

Pairwise benchmark snapshot · Aug 1, 2026

OpenAI o1-mini vs Qwen3 235B benchmark

In this head-to-head showdown, OpenAI o1-mini delivers higher overall intelligence and human-preferred responses (Elo 1,445 vs 1,440), while Qwen3 235B leads in SWE-bench software engineering benchmarks (59.4%), while Qwen3 235B is more budget-friendly at $0.88/1M per 1M output tokens, while OpenAI o1-mini provides faster response streaming (85 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose OpenAI o1-mini if your priority is peak reasoning, complex code generation, and top preference Elo. Choose Qwen3 235B if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Verified Head-to-Head Advantage Breakdown

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

OpenAI o1-mini (3)Qwen3 235B (5)
OpenAI o1-mini
3 of 8 Wins
✓Preference Elo✓Time to first token✓Output speed
Qwen3 235B
5 of 8 Wins
✓LiveBench✓SWE-bench✓Input price✓Output price✓Context window
OpenAI
Leads 3 of 8 metrics
OpenAI o1-mini

OpenAI high-speed, cost-effective reasoning model optimized for STEM, math, and code generation.

Elo 1,445$4.4/1M out
Alibaba
Leads 5 of 8 metrics
Qwen3 235B

Open-weight Qwen3 mixture-of-experts.

235B MoEElo 1,440$0.88/1M out
Top Rival Showdowns for OpenAI o1-mini
All Matchups
Compare vs:vs Claude Opus 4.5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference LeaderOpenAI o1-mini Wins

OpenAI o1-mini

Δ 5 Arena Elo pts

Throughput LeaderOpenAI o1-mini Wins

OpenAI o1-mini

85 tok/s

Value per Dollar LeaderQwen3 235B Wins

Qwen3 235B

$0.88 / 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.

OpenAI o1-mini (4)vsQwen3 235B (5)
OpenAI o1-mini: 4W (44%)Overall: Qwen3 235BQwen3 235B: 5W (56%)
← OpenAI o1-mini1 tiesQwen3 235B →
Tied (2-2)

Intelligence & Reasoning

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

Benchmark
OpenAI o1-minivsQwen3 235B
Preference Elo
1,445vs1,440+5
Coding Elo
1,468vs—
SWE-bench
56.4%vs59.4%+3%
LiveBench
62%vs63.5%+1.5%
GPQA Diamond
76.8%vs76.8%
OpenAI o1-mini: 2WQwen3 235B: 2W
🏆OpenAI o1-mini(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
OpenAI o1-minivsQwen3 235B
Output speed
85 tok/svs74 tok/s+11 tok/s
Time to first token
280 msvs320 ms+40 ms
OpenAI o1-mini: 2WQwen3 235B: 0W
🏆Qwen3 235B(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
OpenAI o1-minivsQwen3 235B
Output price
$4.4/1Mvs$0.88/1M+$3.52/1M
Input price
$1.1/1Mvs$0.22/1M+$0.88/1M
Context window
128kvs131k+3k
OpenAI o1-mini: 0WQwen3 235B: 3W

Side-by-Side Benchmark Matrix

Preference Elo+5
OpenAI o1-mini1,445
seed-bootstrap · Aug 1, 2026
Qwen3 235B1,440
seed-bootstrap · Aug 1, 2026
Coding Elo
OpenAI o1-mini1,468
seed-bootstrap · Aug 1, 2026
Qwen3 235B—
LiveBench+1.5%
OpenAI o1-mini62%
seed-bootstrap · Aug 1, 2026
Qwen3 235B63.5%
seed-bootstrap · Aug 1, 2026
SWE-bench+3%
OpenAI o1-mini56.4%
seed-bootstrap · Aug 1, 2026
Qwen3 235B59.4%
seed-bootstrap · Aug 1, 2026
GPQA Diamond
OpenAI o1-mini76.8%
seed-bootstrap · Aug 1, 2026
Qwen3 235B76.8%
seed-bootstrap · Aug 1, 2026
Time to first token+40 ms
OpenAI o1-mini280 ms
seed-bootstrap · Aug 1, 2026
Qwen3 235B320 ms
seed-bootstrap · Aug 1, 2026
Output speed+11 tok/s
OpenAI o1-mini85 tok/s
seed-bootstrap · Aug 1, 2026
Qwen3 235B74 tok/s
seed-bootstrap · Aug 1, 2026
Input price+$0.88/1M
OpenAI o1-mini$1.1/1M
seed-bootstrap · Aug 1, 2026
Qwen3 235B$0.22/1M
seed-bootstrap · Aug 1, 2026
Output price+$3.52/1M
OpenAI o1-mini$4.4/1M
seed-bootstrap · Aug 1, 2026
Qwen3 235B$0.88/1M
seed-bootstrap · Aug 1, 2026
Context window+3k
OpenAI o1-mini128k
seed-bootstrap · Aug 1, 2026
Qwen3 235B131k
seed-bootstrap · Aug 1, 2026
BenchmarkOpenAI o1-miniQwen3 235BAdvantage Delta
Preference Elo
1,445
seed-bootstrap · Aug 1, 2026
1,440
seed-bootstrap · Aug 1, 2026
+5
Coding Elo
1,468
seed-bootstrap · Aug 1, 2026
——
LiveBench
62%
seed-bootstrap · Aug 1, 2026
63.5%
seed-bootstrap · Aug 1, 2026
+1.5%
SWE-bench
56.4%
seed-bootstrap · Aug 1, 2026
59.4%
seed-bootstrap · Aug 1, 2026
+3%
GPQA Diamond
76.8%
seed-bootstrap · Aug 1, 2026
76.8%
seed-bootstrap · Aug 1, 2026
—
Time to first token
280 ms
seed-bootstrap · Aug 1, 2026
320 ms
seed-bootstrap · Aug 1, 2026
+40 ms
Output speed
85 tok/s
seed-bootstrap · Aug 1, 2026
74 tok/s
seed-bootstrap · Aug 1, 2026
+11 tok/s
Input price
$1.1/1M
seed-bootstrap · Aug 1, 2026
$0.22/1M
seed-bootstrap · Aug 1, 2026
+$0.88/1M
Output price
$4.4/1M
seed-bootstrap · Aug 1, 2026
$0.88/1M
seed-bootstrap · Aug 1, 2026
+$3.52/1M
Context window
128k
seed-bootstrap · Aug 1, 2026
131k
seed-bootstrap · Aug 1, 2026
+3k
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 80% with Qwen3 235B
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
OpenAI o1-mini$104.50 / mo
In: $38.5Out: $66
Qwen3 235B$20.90 / mo
In: $7.7Out: $13.2
Estimated Cost Delta

Qwen3 235B is estimated to save $83.60/month ($1,003/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Qwen3 235B:Pick Qwen3 235B when repo-level coding accuracy is the constraint.
  • 2
    OpenAI o1-mini:Pick OpenAI o1-mini when time-to-first-token matters more than peak Elo.
  • 3
    OpenAI o1-mini:Pick OpenAI o1-mini as the default general assistant.

Recommended Workload Routing

Repo / coding agentsQwen3 235B

Higher SWE-bench (59.4%).

High-volume chatQwen3 235B

Lower output list price ($0.88/1M).

Voice / low-latency UIOpenAI o1-mini

Lower TTFT (280 ms).

Long-document RAGQwen3 235B

Larger window (131k).

Screenshots / visionOpenAI o1-mini

OpenAI o1-mini is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsQwen3 235BHigher SWE-bench (59.4%).
High-volume chatQwen3 235BLower output list price ($0.88/1M).
Voice / low-latency UIOpenAI o1-miniLower TTFT (280 ms).
Long-document RAGQwen3 235BLarger window (131k).
Screenshots / visionOpenAI o1-miniOpenAI o1-mini is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchSep 20, 2025

Qwen3 235B: the open MoE Qwen, not the Max SKU

Sep 2025 open-weight mixture-of-experts. Self-host path. Don’t confuse it with Qwen 3 Max.

Community Sentiment

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
OpenAI

OpenAI o1-mini

Elo 1,445
SWE-bench56.4%
Speed (tok/s)85 tok/s
Input / 1M Tokens$1.1/1M
Output / 1M Tokens$4.4/1M
Alibaba

Qwen3 235B

Elo 1,440
SWE-bench59.4%
Speed (tok/s)74 tok/s
Input / 1M Tokens$0.22/1M
Output / 1M Tokens$0.88/1M

Frequently Asked Questions

Which is better overall, OpenAI o1-mini or Qwen3 235B?
OpenAI o1-mini has the higher preference Elo in our latest snapshot (1,445). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, OpenAI o1-mini or Qwen3 235B?
Qwen3 235B leads SWE-bench at 59.4% vs 56.4%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?
Qwen3 235B output tokens are $0.88/1M versus $4.4/1M. Input prices and retry rates still move the real bill.
Which is faster, OpenAI o1-mini or Qwen3 235B?
OpenAI o1-mini has the lower time-to-first-token (280 ms vs 320 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?
Qwen3 235B accepts 131k tokens versus 128k.
Can I self-host either model?
Qwen3 235B 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. OpenAI o1-mini and Qwen3 235B Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Sep 20, 2025

    Qwen3 235B: the open MoE Qwen, not the Max SKU

Similar Head-to-Head Comparisons

All OpenAI o1-mini matchups →|All Qwen3 235B matchups →
OpenAI o1-mini vs GPT-4o mini (previous gpt-mini)OpenAI o1-mini vs OpenAI o3-mini (next gpt-mini)Qwen3 235B vs Qwen 2.5 Coder 32B (previous qwen)Qwen3 235B vs Qwen QwQ 32B (next qwen)Qwen QwQ 32B vs OpenAI o1-miniQwen 3 Max vs OpenAI o1-mini