Data points: 116
The readout for GPT-5.4 and Grok Build 0 1, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
116 data points
Includes 25 benchmark rows, 1 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 34 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-5.4 vs Grok Build 0 1gpt-5-4-vs-grok-build-0-1 | Model A GPT-5.4 | Model B Grok Build 0 1 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, 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-5.4
59
Avg. score
Grok Build 0 1
56.5
Selected category
Coding
GPT-5.4 leads by 15.7
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.4
winner85.0
Rank #4/127 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
20.0
Rank #108/127 · confidence 1 · eval date 2026-05-20
GPT-5.4
0.68 s
Rank #26/139 · confidence 4
Grok Build 0 1
winner0.41 s
Rank #5/139 · confidence 4
GPT-5.4
winner0.68 s
Rank #19/139 · confidence 4
Grok Build 0 1
37.92 s
Rank #116/139 · confidence 4
GPT-5.4
winner103.9 tok/s
Rank #62/139 · confidence 4
Grok Build 0 1
53.3 tok/s
Rank #108/139 · confidence 4
GPT-5.4
$15.00/M
Rank #142/167 · confidence 4
Grok Build 0 1
winner$2.00/M
Rank #62/167 · confidence 4
GPT-5.4
$5.63/M
Rank #141/167 · confidence 4
Grok Build 0 1
winner$1.25/M
Rank #92/167 · confidence 4
GPT-5.4
$2.50/M
Rank #137/167 · confidence 4
Grok Build 0 1
winner$1.00/M
Rank #103/167 · confidence 4
GPT-5.4
winner74.0
Rank #5/88 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
64.7
Rank #44/88 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner23.4
Rank #6/72 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
9.1
Rank #22/72 · confidence 1 · eval date 2026-05-20
GPT-5.4
10.6%
Rank #89/186 · confidence 4
Grok Build 0 1
winner36.0%
Rank #18/186 · confidence 4
GPT-5.4
74.8%
Rank #95/187 · confidence 4
Grok Build 0 1
winner89.5%
Rank #23/187 · confidence 4
GPT-5.4
winner56.6
Rank #2/95 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
50.2
Rank #18/95 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner71.0
Rank #9/54 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
51.5
Rank #27/54 · confidence 1 · eval date 2026-05-20
GPT-5.4
47.1%
Rank #22/184 · confidence 4
Grok Build 0 1
winner50.2%
Rank #15/184 · confidence 4
GPT-5.4
winner41.6
Rank #6/95 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
36.0
Rank #17/95 · confidence 1 · eval date 2026-05-20
GPT-5.4
50.0
Rank #9/89 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
winner51.4
Rank #8/89 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner51.4
Rank #8/98 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
39.8
Rank #28/98 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner92.0
Rank #9/95 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
89.5
Rank #22/95 · confidence 1 · eval date 2026-05-20
GPT-5.4
88.6
Rank #19/89 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
winner90.5
Rank #10/89 · confidence 1 · eval date 2026-05-20
GPT-5.4
5.7
Rank #17/28 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
winner7.4
Rank #15/28 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner78.4
Rank #15/57 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
76.5
Rank #20/57 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner64.9
Rank #4/50 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
49.1
Rank #25/50 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner41.1
Rank #10/50 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
28.0
Rank #21/50 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner44.8
Rank #10/44 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
35.7
Rank #17/44 · confidence 1 · eval date 2026-05-20
GPT-5.4
winner1395.0
Rank #12/50 · confidence 4 · eval date 2026-03-05
Grok Build 0 1
1214.0
Rank #18/50 · confidence 1 · eval date 2026-05-20
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | Grok Build 0 1 |
|---|---|---|
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 93 100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.4 | Grok Build 0 1 |
|---|---|---|
5 tests | GPT-5.4 speed / latency 70 tok/s / 2961ms input / output No data | Grok Build 0 1 |
This report only uses LMSpeed data for GPT-5.4 and Grok Build 0 1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | Grok Build 0 1 |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Grok Build 0 1 Grok Build 0 1 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5.4 leads across 116 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs Grok Build 0 1 into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. | Grok Build 0 1 exposes 256K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | xAI |
| Context window | 1.1M tokens | 256K tokens |
| Max output | 128K tokens | No data |
| Released | Mar 2026 | May 2026 |
| Modalities | Input TextImageFile Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | Grok |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | x-ai/grok-build-0.1 |
| References | No data | No data |
Grok Build 0 1 grok-build-0.1 No audit yet |
speed / latency
N/A / N/A
input / output
No data
OAI2API5 tests | GPT-5.4 speed / latency 44 tok/s / 3441ms input / output No data | Grok Build 0 1 speed / latency N/A / N/A input / output No data |
|---|
SmokeDivine AI5 tests | GPT-5.4 speed / latency 44 tok/s / 1119ms input / output No data | Grok Build 0 1 speed / latency N/A / N/A input / output No data |
|---|
VSLLM5 tests | GPT-5.4 speed / latency 60 tok/s / 2482ms input / output No data | Grok Build 0 1 speed / latency N/A / N/A input / output No data |
|---|
WSocket AI5 tests | GPT-5.4 speed / latency 36 tok/s / 12157ms input / output No data | Grok Build 0 1 speed / latency N/A / N/A input / output No data |
|---|
GPT-5.4 gpt-5.4 speed / latency No data input / output $0/M/$0/M | Grok Build 0 1 grok-build-0.1 speed / latency No data input / output $0.096/M/$0.192/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.719/M/$4.32/M | Grok Build 0 1 grok-build-0.1 speed / latency No data input / output $0.0096/M/$0.019/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.027/request | Grok Build 0 1 grok-build-0.1 speed / latency No data input / output $39.04/M/$39.04/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
