Data points: 202
Model compare
The readout for Claude Opus 4.6 and GPT-5.4, before the detailed comparison sheet.
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.4
GPT-5.4 has the higher weighted result; Model A / B score 4 to 96.
Evidence depth
202 data points
Includes 49 benchmark rows, 6 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 62 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.
This report only uses LMSpeed data for Claude Opus 4.6 and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 4.0 pts | 96.0 pts |
| Benchmark category leads | 0 categories | 7 categories |
| Operational advantages | Cheapest input price | Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 1M tokens | 1.1M tokens |
| Max output | 128K tokens | 128K tokens |
| Modalities | Input TextImageFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Feb 2026 | Mar 2026 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6 | openai/gpt-5.4 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Opus 4.6 and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Opus 4.6
Claude Opus 4.6 has these operational advantages: Cheapest input price.
GPT-5.4
GPT-5.4 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Math) and operational dimensions (Average speed, First-token latency, Free providers, Provider coverage).
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
Claude Opus 4.6
53.4
Avg. score
GPT-5.4
57.4
GPT-5.4 leads by 0.9
GPT-5.4 leads by 3.6
GPT-5.4 leads by 2.8
GPT-5.4 leads by 6.2
GPT-5.4 leads by 1.1
Claude Opus 4.6
GPT-5.4 leads by 4.7
GPT-5.4 leads by 9.5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Opus 4.6
winner68.0
Rank #17/84 · confidence 3 · eval date 2026-02-01
GPT-5.4
67.0
Rank #19/84 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
$5.00/M
Rank #146/162 · confidence 4
GPT-5.4
winner$2.50/M
Rank #131/162 · confidence 4
Claude Opus 4.6
$10.00/M
Rank #147/162 · confidence 4
GPT-5.4
winner$5.63/M
Rank #135/162 · confidence 4
Claude Opus 4.6
$25.00/M
Rank #147/162 · confidence 4
GPT-5.4
winner$15.00/M
Rank #136/162 · confidence 4
Claude Opus 4.6
58.3
Rank #62/89 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner74.0
Rank #6/89 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
2.8
Rank #43/73 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner23.4
Rank #7/73 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner84.0%
Rank #53/188 · confidence 4
GPT-5.4
74.8%
Rank #96/188 · confidence 4
Claude Opus 4.6
winner18.6%
Rank #62/187 · confidence 4
GPT-5.4
10.6%
Rank #91/187 · confidence 4
Claude Opus 4.6
70.7
Rank #4/4 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner87.5
Rank #1/4 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
84.1
Rank #3/12 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner85.3
Rank #1/12 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
57.6
Rank #5/33 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner67.4
Rank #3/33 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
45.7
Rank #37/96 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner56.6
Rank #4/96 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner63.7
Rank #8/65 · confidence 3 · eval date 2026-02-01
GPT-5.4
42.4
Rank #53/65 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
53.4
Rank #30/37 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner57.7
Rank #15/37 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
45.7%
Rank #33/185 · confidence 4
GPT-5.4
winner47.1%
Rank #24/185 · confidence 4
Claude Opus 4.6
40.7
Rank #10/47 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner47.6
Rank #7/47 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
22.9
Rank #10/35 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner27.1
Rank #8/35 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
59.8
Rank #22/56 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner65.9
Rank #17/56 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
14.8
Rank #7/7 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner40.1
Rank #1/7 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
52.1
Rank #3/4 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner59.6
Rank #2/4 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
18.6
Rank #56/96 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner41.6
Rank #8/96 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner82.6
Rank #8/55 · confidence 3 · eval date 2026-02-01
GPT-5.4
77.3
Rank #16/55 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
89.2
Rank #16/24 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner92.8
Rank #8/24 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
45.2
Rank #15/90 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner50.0
Rank #9/90 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
37.8
Rank #39/99 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner51.4
Rank #10/99 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner40.0
Rank #10/15 · confidence 3 · eval date 2026-02-01
GPT-5.4
39.8
Rank #11/15 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
84.0
Rank #52/96 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner92.0
Rank #11/96 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
76.0
Rank #44/90 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner88.6
Rank #18/90 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
3.5
Rank #23/29 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner5.7
Rank #18/29 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
64.8
Rank #5/5 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner77.1
Rank #2/5 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
83.1
Rank #4/9 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner85.4
Rank #2/9 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
51.6
Rank #6/6 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner65.4
Rank #3/6 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner1325.0
Rank #4/66 · confidence 3 · eval date 2026-02-01
GPT-5.4
1250.0
Rank #31/66 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
77.3
Rank #20/27 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner81.2
Rank #6/27 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
62.1
Rank #23/35 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner68.5
Rank #14/35 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
72.5
Rank #36/57 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner78.4
Rank #16/57 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
44.6
Rank #61/86 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner73.9
Rank #24/86 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner70.4
Rank #3/28 · confidence 3 · eval date 2026-02-01
GPT-5.4
60.3
Rank #13/28 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
66.6
Rank #8/11 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner79.0
Rank #4/11 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
61.9
Rank #10/50 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner64.9
Rank #4/50 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
36.7
Rank #6/20 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner38.9
Rank #4/20 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner19.9
Rank #4/19 · confidence 3 · eval date 2026-02-01
GPT-5.4
15.3
Rank #14/19 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner73.7
Rank #6/9 · confidence 3 · eval date 2026-02-01
GPT-5.4
73.6
Rank #7/9 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
33.0
Rank #8/24 · confidence 1 · eval date 2026-02-01
GPT-5.4
winner33.3
Rank #7/24 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
72.7
Rank #10/21 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner75.0
Rank #7/21 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
winner83.7
Rank #9/25 · confidence 3 · eval date 2026-02-01
GPT-5.4
82.7
Rank #14/25 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
65.4
Rank #22/46 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner75.1
Rank #12/46 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
65.3
Rank #21/53 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner74.7
Rank #14/53 · confidence 3 · eval date 2026-03-05
Claude Opus 4.6
84.8
Rank #44/84 · confidence 3 · eval date 2026-02-01
GPT-5.4
winner87.1
Rank #37/84 · confidence 3 · eval date 2026-03-05
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
Winner: GPT-5.4 | Claude Opus 4.6 claude-opus-4-6 No audit yet | GPT-5.4 gpt-5.4 Audit score 100 100100100100 |
Winner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 97 10010010088 | GPT-5.4 gpt-5.4 No audit yet |
Winner: GPT-5.4 | Claude Opus 4.6 claude-opus-4-6 No audit yet | GPT-5.4 gpt-5.4 Audit score 93 1008486100 |
Winner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 91 7610086100 | GPT-5.4 gpt-5.4 Audit score 88 84 |
Winner: GPT-5.4 | Claude Opus 4.6 claude-opus-4-6 Audit score 80 668470100 | GPT-5.4 gpt-5.4 Audit score 90 100 |
Winner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 89 56100100100 | GPT-5.4 gpt-5.4 No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
50 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data |
49 tests | Claude Opus 4.6 speed / latency 24 tok/s / 7946ms input / output No data | GPT-5.4 speed / latency 43 tok/s / 12778ms input / output No data |
20 tests | Claude Opus 4.6 speed / latency 40 tok/s / 16141ms input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
20 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 34 tok/s / 1748ms input / output No data |
20 tests | Claude Opus 4.6 speed / latency 42 tok/s / 2282ms input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/M/$0/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $0/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/request | GPT-5.4 gpt-5.4-2026-03-05 speed / latency No data input / output $0/request |
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
