Data points: 102
The readout for GPT-5.3 Codex and Qwen3, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
102 data points
Includes 18 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Tie
The charts below split 27 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare GPT-5.3 Codex vs Qwen3gpt-5-3-codex-vs-qwen3 | Model A GPT-5.3 Codex | Model B Qwen3 |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Cheapest input price, First-token latency, Provider coverage | Average speed, Free providers, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-5.3 Codex
67.1
Avg. score
Qwen3
63.6
Selected category
Coding
GPT-5.3 Codex leads by 18.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.3 Codex
winner85.0
Rank #8/82 · confidence 1 · eval date 2026-02-05
Qwen3
32.0
Rank #61/82 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
67.20 s
Rank #71/78 · confidence 4
Qwen3
winner1.20 s
Rank #23/78 · confidence 4
GPT-5.3 Codex
83.6 tok/s
Rank #38/78 · confidence 4
Qwen3
winner128.4 tok/s
Rank #24/78 · confidence 4
GPT-5.3 Codex
67.20 s
Rank #74/78 · confidence 4
Qwen3
winner1.20 s
Rank #33/78 · confidence 4
GPT-5.3 Codex
$1.75/M
Rank #69/95 · confidence 4
Qwen3
winner$0.200/M
Rank #18/95 · confidence 4
GPT-5.3 Codex
$14.00/M
Rank #75/95 · confidence 4
Qwen3
winner$0.800/M
Rank #19/95 · confidence 4
GPT-5.3 Codex
$4.81/M
Rank #75/95 · confidence 4
Qwen3
winner$0.350/M
Rank #20/95 · confidence 4
GPT-5.3 Codex
winner93.0
Rank #4/57 · confidence 1 · eval date 2026-02-05
Qwen3
25.6
Rank #49/57 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner91.5%
Rank #6/103 · confidence 4
Qwen3
65.9%
Rank #76/103 · confidence 4
GPT-5.3 Codex
winner39.9%
Rank #8/103 · confidence 4
Qwen3
6.8%
Rank #65/103 · confidence 4
GPT-5.3 Codex
winner53.2%
Rank #8/101 · confidence 4
Qwen3
30.4%
Rank #82/101 · confidence 4
GPT-5.3 Codex
winner86.7
Rank #10/69 · confidence 1 · eval date 2026-02-05
Qwen3
22.7
Rank #60/69 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner100.0
Rank #1/51 · confidence 1 · eval date 2026-02-05
Qwen3
24.6
Rank #45/51 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner91.2
Rank #7/67 · confidence 1 · eval date 2026-02-05
Qwen3
40.8
Rank #55/67 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner96.9
Rank #5/50 · confidence 1 · eval date 2026-02-05
Qwen3
43.7
Rank #36/50 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner95.8
Rank #3/60 · confidence 1 · eval date 2026-02-05
Qwen3
6.5
Rank #57/60 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner91.4
Rank #11/56 · confidence 1 · eval date 2026-02-05
Qwen3
79.5
Rank #22/56 · confidence 1 · eval date 2025-07-01
GPT-5.3 Codex
winner76.9
Rank #12/69 · confidence 1 · eval date 2026-02-05
Qwen3
16.8
Rank #66/69 · confidence 1 · eval date 2025-07-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.3 Codex | Qwen3 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.3 Codex | Qwen3 |
|---|---|---|
65 tests | GPT-5.3 Codex speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for GPT-5.3 Codex and Qwen3: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.3 Codex | Qwen3 |
|---|---|---|
| When to choose each model | GPT-5.3 Codex GPT-5.3 Codex is stronger when you prioritize Cheapest input price, First-token latency, Provider coverage. | Qwen3 Qwen3 is stronger when you prioritize Average speed, Free providers, Recent tests. |
TL;DR: Tie leads across 102 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.3 Codex vs Qwen3 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-5.3 Codex exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. | Qwen3 exposes 262.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | OpenAI | No data |
| Context window | 400K tokens | 262.1K tokens |
| Max output | 128K tokens | 16.4K tokens |
| Released | Feb 2026 | Jul 2025 |
| Modalities | Input TextImageFile Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | 235B / 22B active |
| Tokenizer | GPT | Qwen3 |
| Knowledge cutoff | No data | 2025-06-30 |
| OpenRouter ID | openai/gpt-5.3-codex | qwen/qwen3-235b-a22b-2507 |
| References | No data | No data |
Qwen3
speed / latency
88 tok/s / 14234ms
input / output
No data
RinkoAI45 tests | GPT-5.3 Codex speed / latency N/A / N/A input / output No data | Qwen3 speed / latency 285 tok/s / 3763ms input / output No data |
|---|
SWT-API35 tests | GPT-5.3 Codex speed / latency N/A / N/A input / output No data | Qwen3 speed / latency 39 tok/s / 15961ms input / output No data |
|---|
UoCode25 tests | GPT-5.3 Codex speed / latency 56 tok/s / 4621ms input / output No data | Qwen3 speed / latency N/A / N/A input / output No data |
|---|
小水管 API10 tests | GPT-5.3 Codex speed / latency 201 tok/s / 2135ms input / output No data | Qwen3 speed / latency N/A / N/A input / output No data |
|---|
GPT-5.3 Codex gpt-5.3-codex speed / latency No data input / output $0.240/M / $1.92/M | Qwen3 qwen3-235b speed / latency No data input / output $0/M / $0/M |
GPT-5.3 Codex gpt-5.3-codex-openai-compact speed / latency No data input / output $75.00/M / $600.00/M | Qwen3 qwen3-8b speed / latency No data input / output $0/M / $0/M |
GPT-5.3 Codex gpt-5.3-codex speed / latency No data input / output $0.010/M / $0.010/M | Qwen3 qwen3-32b speed / latency No data input / output $0.0010/M / $0.0010/M |
GPT-5.3 Codex gpt-5.3-codex speed / latency No data input / output $0.050/M / $0.050/M | Qwen3 qwen3-235b-a22b-07-25 speed / latency No data input / output $0.010/M / $0.010/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
