Skip to main content
BenchLM
Advertise

Model comparison

GPT-5.3 Codex vs Qwen3.7 Plus

Data verified

Head-to-head evidence from 17 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

66.69/100
Margin
0.5pts
winning →
67.22/100
0 category wins2 category wins

Public leaderboard positions: GPT-5.3 Codex #26 (Supported); Qwen3.7 Plus #21 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GPT-5.3 Codex and Qwen3.7 Plus share 17 comparable benchmark results. 2 of 8 categories are comparable. 4 results are unique to GPT-5.3 Codex; 52 to Qwen3.7 Plus.

Updated July 23, 2026
Shared results
17
GPT-5.3 Codex only
4
Qwen3.7 Plus only
52
Comparable categories
2 / 8

Pick Qwen3.7 Plus if you want the stronger benchmark profile. GPT-5.3 Codex only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Confidence note. This is a partial-evidence comparison with 17 shared benchmark results across 6 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Qwen3.7 Plus has the cleaner BenchAlign overall profile here, landing at 67.22 versus 66.69. It is a real lead, but still close enough that category-level strengths matter more than the headline number.

Qwen3.7 Plus's sharpest advantage is in coding, where it averages 75.6 against 67.2. The single biggest benchmark swing on the page is OSWorld-Verified, 64.7% to 73.3%.

Qwen3.7 Plus gives you the larger context window at 1M, compared with 400K for GPT-5.3 Codex.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for GPT-5.3 Codex and Qwen3.7 Plus
CategoryGPT-5.3 CodexΔQwen3.7 Plus
CodingGPT-5.3 Codex67.2Margin→ 8.4Qwen3.7 Plus75.6
AgenticGPT-5.3 Codex71.4Margin→ 0.3Qwen3.7 Plus71.7
ReasoningGPT-5.3 CodexNot measuredMarginNo overlapQwen3.7 Plus91.7
KnowledgeGPT-5.3 CodexNot measuredMarginNo overlapQwen3.7 Plus60.1
MathGPT-5.3 CodexNot measuredMarginNo overlapQwen3.7 Plus92.9
MultilingualGPT-5.3 CodexNot measuredMarginNo overlapQwen3.7 Plus85.4
MultimodalGPT-5.3 CodexNot measuredMarginNo overlapQwen3.7 Plus81.5
Inst. FollowingGPT-5.3 CodexNot measuredMarginNo overlapQwen3.7 Plus84.5

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · GPT-5.3 CodexB · Qwen3.7 Plus

  1. OSWorld-Verified

    Agentic
    Source ↗
    A 64.7%B 73.3%
    Winner: Qwen3.7 PlusΔ 8.6
    OSWorld-Verified: GPT-5.3 Codex scored 64.7%; Qwen3.7 Plus scored 73.3%. Qwen3.7 Plus wins this benchmark.

  2. SWE-bench Verified

    Coding
    Source ↗
    A 85%B 77.7%
    Winner: GPT-5.3 CodexΔ 7.3
    SWE-bench Verified: GPT-5.3 Codex scored 85%; Qwen3.7 Plus scored 77.7%. GPT-5.3 Codex wins this benchmark.

  3. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 77.3%B 70.3%
    Winner: GPT-5.3 CodexΔ 7
    Terminal-Bench 2.0: GPT-5.3 Codex scored 77.3%; Qwen3.7 Plus scored 70.3%. GPT-5.3 Codex wins this benchmark.

  4. SWE-bench Pro

    Coding
    Source ↗
    A 56.8%B 57.6%
    Winner: Qwen3.7 PlusΔ 0.8
    SWE-bench Pro: GPT-5.3 Codex scored 56.8%; Qwen3.7 Plus scored 57.6%. Qwen3.7 Plus wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricGPT-5.3 CodexQwen3.7 PlusComparison
Input / output priceUSD per 1M tokensGPT-5.3 Codex$1.75 input / $14 outputQwen3.7 PlusNot availableA complete price comparison is not available.
Generation speedtokens per secondGPT-5.3 Codex79 tok/sQwen3.7 PlusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGPT-5.3 Codex88.26 sQwen3.7 PlusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGPT-5.3 Codex400KQwen3.7 Plus1MQwen3.7 Plus lists the larger context window.

Benchmark Deep Dive

AgenticQwen3.7 Plus wins
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
Terminal-Bench 2.0Source 77.3%70.3%GPT-5.3 Codex leads
OSWorld-VerifiedSource 64.7%73.3%Qwen3.7 Plus leads
τ²-bench resultsSource 86%93%Qwen3.7 Plus leads
Gert LabsSource 57.47%—Not comparable
JobBenchSource 33.7%—Not comparable
QwenClawBenchSource —61.8%Not comparable
QwenWebBenchSource —1536Not comparable
Claw-EvalSource —62.7%Not comparable
BFCL v4Source —72.9%Not comparable
MCP AtlasSource —73.2%Not comparable
VITA-BenchSource —45.6%Not comparable
DeepPlanningSource —62.3%Not comparable
AndroidWorldSource —81.0%Not comparable
AA Agentic IndexSource —20.8%Not comparable
APEX-Agents-AASource —22.4%Not comparable
GDPval-AASource —21.8%Not comparable
GDPval-AASource —936Not comparable
OSWorld 2.0Source —2.8%Not comparable
CodingQwen3.7 Plus wins
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
SWE-bench VerifiedSource 85%77.7%GPT-5.3 Codex leads
SWE-bench ProSource 56.8%57.6%Qwen3.7 Plus leads
SWE-RebenchSource 58.2%—Not comparable
Vibe Code BenchSource 61.77%—Not comparable
AA-SciCodeSource 53.2%45.5%GPT-5.3 Codex leads
Terminal-Bench 2.0Source —70.3%Not comparable
SWE MultilingualSource —75.8%Not comparable
NL2RepoSource —41.1%Not comparable
SciCodeSource —51.3%Not comparable
LiveCodeBenchSource —89.6%Not comparable
AA Coding IndexSource —55.9%Not comparable
Reasoning
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
AA-LCRSource 74.0%65.0%GPT-5.3 Codex leads
CritPtSource 16.9%9.1%GPT-5.3 Codex leads
MRCRv2Source —91.7%Not comparable
Knowledge
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
Artificial Analysis Intelligence IndexSource 44.3%39.0%GPT-5.3 Codex leads
AA-GPQA DiamondSource 91.5%90.0%GPT-5.3 Codex leads
AA-HLESource 39.9%33.4%GPT-5.3 Codex leads
AA-Omniscience IndexSource 9.9%2.4%GPT-5.3 Codex leads
AA-Omniscience AccuracySource 51.8%22.2%GPT-5.3 Codex leads
AA-Omniscience Hallucination RateSource 86.9%25.5%Qwen3.7 Plus leads
GPQASource —90.3%Not comparable
GPQA-DSource —90.3%Not comparable
HLESource —34.7%Not comparable
MMLU-ProSource —88.5%Not comparable
MMLU-ReduxSource —94.5%Not comparable
SuperGPQASource —71.4%Not comparable
MMMLUSource —89.0%Not comparable
Math
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
HMMT Feb 2026Source —92.9%Not comparable
IMOAnswerBenchSource —86.0%Not comparable
ApexSource —22.7%Not comparable
Multilingual
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
MMLU-ProXSource —85.4%Not comparable
NOVA-63Source —58.8%Not comparable
INCLUDESource —83.0%Not comparable
MAXIFESource —88.8%Not comparable
PolyMathSource —84.0%Not comparable
Multimodal
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
AA-MMMU-ProSource 78.5%80.5%Qwen3.7 Plus leads
Design Arena WebsiteSource 11931288Qwen3.7 Plus leads
MMMU-ProSource —79%Not comparable
MathVisionSource —90.3%Not comparable
CharXivSource —85.9%Not comparable
ERQASource —69.8%Not comparable
MedXpertQA (MM)Source —71.0%Not comparable
ScreenSpot ProSource —79.0%Not comparable
SimpleVQASource —81.7%Not comparable
MMSearch-PlusSource —41.4%Not comparable
RealWorldQASource —86.9%Not comparable
OmniDocBench 1.5Source —91.4%Not comparable
OCRBench V2Source —70.7%Not comparable
ODINW13Source —51.1%Not comparable
Video-MME (with subtitle)Source —88.0%Not comparable
VideoMMMUSource —85.4%Not comparable
MLVU (M-Avg)Source —87.4%Not comparable
Inst. Following
BenchmarkGPT-5.3 CodexQwen3.7 PlusResult
AA-IFBenchSource 75.4%78.0%Qwen3.7 Plus leads
IFEvalSource —94.6%Not comparable
IFBenchSource —79.1%Not comparable
Frequently Asked Questions (3)

Which is better, GPT-5.3 Codex or Qwen3.7 Plus?

Qwen3.7 Plus is ahead on BenchLM's BenchAlign leaderboard, 67.22 to 66.69. The biggest single separator in this matchup is OSWorld-Verified, where the scores are 64.7% and 73.3%.

Which is better for coding, GPT-5.3 Codex or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for coding in this comparison, averaging 75.6 versus 67.2. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5.3 Codex or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for agentic tasks in this comparison, averaging 71.7 versus 71.4. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.

Related Comparisons

Explore More

OpenAI Compare Pricing Methodology Find Your Best LLM Overall Rankings
Last updated: July 23, 2026

Choose a model with this week’s evidence

Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.

One email each week. Unsubscribe anytime.