Data points: 86
Model compare
The readout for Claude Opus 4 and GPT-4o, before the detailed comparison sheet.
Weighted outcome: Claude Opus 4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude Opus 4
Claude Opus 4 has the higher weighted result; Model A / B score 80 to 20.
Evidence depth
86 data points
Includes 10 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with Claude Opus 4
The charts below split 17 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 and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Opus 4 | GPT-4o |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 80.0 pts | 20.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 200K tokens | 128K tokens |
| Max output | 32K tokens | 16.4K tokens |
| Modalities | Input ImageTextFile 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 | GPT-4o |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | May 2025 | Nov 2024 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | 2025-01-31 | 2023-10-31 |
| OpenRouter ID | anthropic/claude-opus-4 | openai/gpt-4o |
| References | No data | No data |
This report only uses LMSpeed data for Claude Opus 4 and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Opus 4
Claude Opus 4 leads these benchmark categories: Coding, Reasoning, Math.
GPT-4o
GPT-4o has these operational advantages: Cheapest input price, 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
52.7
Avg. score
GPT-4o
43.2
GPT-4o
Claude Opus 4 leads by 5.3
Claude Opus 4 leads by 11.4
GPT-4o
Claude Opus 4 leads by 12.3
No data
No data
GPT-4o
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Opus 4
$75.00/M
Rank #157/162 · confidence 4
GPT-4o
winner$10.00/M
Rank #120/162 · confidence 4
Claude Opus 4
$30.00/M
Rank #156/162 · confidence 4
GPT-4o
winner$4.38/M
Rank #127/162 · confidence 4
Claude Opus 4
$15.00/M
Rank #155/162 · confidence 4
GPT-4o
winner$2.50/M
Rank #131/162 · confidence 4
Claude Opus 4
winner86.0%
Rank #20/125 · confidence 4
GPT-4o
74.8%
Rank #90/125 · confidence 4
Claude Opus 4
winner70.1%
Rank #112/188 · confidence 4
GPT-4o
54.3%
Rank #156/188 · confidence 4
Claude Opus 4
winner5.9%
Rank #129/187 · confidence 4
GPT-4o
3.3%
Rank #180/187 · confidence 4
Claude Opus 4
winner54.2%
Rank #53/115 · confidence 4
GPT-4o
30.9%
Rank #88/115 · confidence 4
Claude Opus 4
winner40.9%
Rank #59/185 · confidence 4
GPT-4o
33.3%
Rank #120/185 · confidence 4
Claude Opus 4
winner94.1%
Rank #23/74 · confidence 4
GPT-4o
75.9%
Rank #56/74 · confidence 4
Claude Opus 4
winner56.3%
Rank #26/68 · confidence 4
GPT-4o
15.0%
Rank #50/68 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4 | GPT-4o |
|---|---|---|
| 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 | Claude Opus 4 | GPT-4o |
|---|---|---|
5 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 48 tok/s / 13138ms input / output No data |
5 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 58 tok/s / 2583ms input / output No data |
3 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 40 tok/s / 2993ms input / output No data |
0 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
0 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
Claude Opus 4 claude-opus-4 speed / latency No data input / output $0.822/M/$4.11/M | GPT-4o gpt-4o speed / latency No data input / output $0/M | |
Claude Opus 4 claude-opus-4-20250514 speed / latency No data input / output $0/request | GPT-4o gpt-4o speed / latency No data input / output $0/request |
Weighted outcome: Claude Opus 4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search |
|---|
