Data points: 92
Model compare
The readout for Claude Opus 4.8 and GPT-4, before the detailed comparison sheet.
Weighted outcome: Claude Opus 4.8. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude Opus 4.8
Claude Opus 4.8 has the higher weighted result; Model A / B score 92 to 8.
Evidence depth
92 data points
Includes 6 benchmark rows, 3 audit samples, and 8 provider examples.
Selection signal
Start with Claude Opus 4.8
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 4.8 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Opus 4.8 | GPT-4 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 92.0 pts | 8.0 pts |
| Benchmark category leads | 1 categories | 0 categories |
| Operational advantages | Cheapest input price, Average speed, Provider coverage | First-token latency, Free providers |
| Context window | 1M tokens | 8.2K tokens |
| Max output | 128K tokens | 4.1K 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 4.8 | GPT-4 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | May 2026 | May 2023 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | anthropic/claude-opus-4.8 | openai/gpt-4 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Opus 4.8 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Opus 4.8
Claude Opus 4.8 is stronger in benchmark categories (Coding) and operational dimensions (Cheapest input price, Average speed, Provider coverage).
GPT-4
GPT-4 has these operational advantages: First-token latency, Free providers.
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 4.8
60.8
Avg. score
GPT-4
49.5
Claude Opus 4.8
Claude Opus 4.8 leads by 17.0
Claude Opus 4.8
Claude Opus 4.8
Claude Opus 4.8
Claude Opus 4.8
Claude Opus 4.8
Claude Opus 4.8
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Opus 4.8
23.67 s
Rank #96/139 · confidence 4
GPT-4
winner0.97 s
Rank #33/139 · confidence 4
Claude Opus 4.8
23.67 s
Rank #126/139 · confidence 4
GPT-4
winner0.97 s
Rank #53/139 · confidence 4
Claude Opus 4.8
winner57.4 tok/s
Rank #102/139 · confidence 4
GPT-4
33.9 tok/s
Rank #134/139 · confidence 4
Claude Opus 4.8
winner$5.00/M
Rank #147/163 · confidence 4
GPT-4
$30.00/M
Rank #161/163 · confidence 4
Claude Opus 4.8
winner$10.00/M
Rank #148/163 · confidence 4
GPT-4
$37.50/M
Rank #161/163 · confidence 4
Claude Opus 4.8
winner$25.00/M
Rank #148/163 · confidence 4
GPT-4
$60.00/M
Rank #156/163 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.8 | GPT-4 |
|---|---|---|
Winner: Claude Opus 4.8 | Claude Opus 4.8 claude-opus-4-8 Audit score 100 100100100100 | GPT-4 gpt-4-1106-preview No audit yet |
Winner: Claude Opus 4.8 | Claude Opus 4.8 claude-opus-4-8 Audit score 91 7610086100 | GPT-4 gpt-4-1106-preview No audit yet |
Winner: Claude Opus 4.8 | Claude Opus 4.8 claude-opus-4-8 Audit score 83 668480100 | GPT-4 gpt-4-1106-preview No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.8 | GPT-4 |
|---|---|---|
5 tests | Claude Opus 4.8 speed / latency 50 tok/s / 4823ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0/request | GPT-4 gpt-4-1106-preview speed / latency No data input / output $0/request | |
Claude Opus 4.8 claude-opus-4-8-c speed / latency No data input / output $0.0082/request | GPT-4 gpt-4-32k speed / latency No data input / output $55.89/M | |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.021/request | GPT-4 gpt-4-32k speed / latency No data input / output $39.45/M |
Weighted outcome: Claude Opus 4.8. 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 inputText outputTool callingStructured outputsJSON mode |
|---|
