Data points: 86
Model compare
The readout for Claude Opus 4 and GPT-5, before the detailed comparison sheet.
Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5
GPT-5 has the higher weighted result; Model A / B score 40 to 60.
Evidence depth
86 data points
Includes 10 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5
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-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Opus 4 | GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 40.0 pts | 60.0 pts |
| Benchmark category leads | 1 categories | 1 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 200K tokens | 400K tokens |
| Max output | 32K tokens | 128K 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-5 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | May 2025 | Aug 2025 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | 2025-01-31 | 2024-09-30 |
| OpenRouter ID | anthropic/claude-opus-4 | openai/gpt-5 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Opus 4 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Opus 4
Claude Opus 4 leads these benchmark categories: Coding.
GPT-5
GPT-5 is stronger in benchmark categories (Math) and operational dimensions (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-5
51.9
GPT-5
Claude Opus 4 leads by 2.5
Tied
GPT-5
GPT-5 leads by 7.1
No data
No data
GPT-5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Opus 4
$15.00/M
Rank #155/162 · confidence 4
GPT-5
winner$1.25/M
Rank #107/162 · confidence 4
Claude Opus 4
$30.00/M
Rank #156/162 · confidence 4
GPT-5
winner$3.44/M
Rank #117/162 · confidence 4
Claude Opus 4
$75.00/M
Rank #157/162 · confidence 4
GPT-5
winner$10.00/M
Rank #120/162 · confidence 4
Claude Opus 4
winner86.0%
Rank #20/125 · confidence 4
GPT-5
80.6%
Rank #57/125 · confidence 4
Claude Opus 4
winner70.1%
Rank #112/188 · confidence 4
GPT-5
67.3%
Rank #121/188 · confidence 4
Claude Opus 4
winner5.9%
Rank #129/187 · confidence 4
GPT-5
5.4%
Rank #132/187 · confidence 4
Claude Opus 4
54.2%
Rank #53/115 · confidence 4
GPT-5
winner55.8%
Rank #49/115 · confidence 4
Claude Opus 4
winner40.9%
Rank #59/185 · confidence 4
GPT-5
38.8%
Rank #83/185 · confidence 4
Claude Opus 4
winner94.1%
Rank #23/74 · confidence 4
GPT-5
86.1%
Rank #42/74 · confidence 4
Claude Opus 4
winner56.3%
Rank #26/68 · confidence 4
GPT-5
36.7%
Rank #35/68 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4 | GPT-5 |
|---|---|---|
| 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-5 |
|---|---|---|
20 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data |
5 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data |
5 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 102 tok/s / 948ms input / output No data |
5 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 131 tok/s / 743ms input / output No data |
5 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 58 tok/s / 17419ms input / output No data |
Claude Opus 4 claude-opus-4 speed / latency No data input / output $0.822/M/$4.11/M | GPT-5 gpt-5 speed / latency No data input / output $0/M | |
Claude Opus 4 claude-opus-4-20250514 speed / latency No data input / output $0/request | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0/request |
Weighted outcome: GPT-5. 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 modeReasoning |
|---|
