Data points: 82
The readout for Claude Opus 4 and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 0 to 6.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4 vs GPT-5claude-opus-4-vs-gpt-5 | Model A Claude Opus 4 | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 6 wins |
| Where it leads | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4 | GPT-5 |
|---|---|---|
| AIME | 56.3%#23 |
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 |
This report only uses LMSpeed data for Claude Opus 4 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4 | GPT-5 |
|---|---|---|
| When to choose each model | Claude Opus 4 Claude Opus 4 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5 leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4 vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Claude Opus 4 exposes 200K tokens; notable signals: Text input, Image input, File input, Text output. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Context window | 200K tokens | 128K tokens |
| Max output | 32K tokens | 16.4K tokens |
| Released | May 2025 | Aug 2025 |
| Modalities | Input ImageTextFile Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputText outputTool callingReasoning | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| 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-chat |
| References | No data | No data |
| MATH-500 | 94.1%#22 | 99.4%#1 |
|---|
| MMLU-Pro | 86.0%#13 | 87.1%#7 |
|---|
| LiveCodeBench | 54.2%#52 | 84.6%#11 |
|---|
| HLE | 5.9%#81 | 26.5%#24 |
|---|
| Input price | $15.00/M#43 | $1.25/M#30 |
|---|
| GPQA | 70.1%#78 | 85.4%#31 |
|---|
| SciCode | 40.9%#41 | 42.9%#31 |
|---|
GPT-5
speed / latency
95 tok/s / 1234ms
input / output
No data
EasyMore5 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 |
|---|
N1N5 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 |
|---|
Undy API5 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 |
|---|
6345ywz API0 tests | Claude Opus 4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
Claude Opus 4 claude-opus-4-20250514 speed / latency No data input / output $0.205/M / $1.03/M | GPT-5 gpt-5-2025-08-07 speed / latency No data input / output $0.034/M / $0.274/M |
Claude Opus 4 claude-opus-4-20250514 speed / latency No data input / output $0.342/M / $1.71/M | GPT-5 gpt-5 speed / latency No data input / output $0.086/M / $0.685/M |
Claude Opus 4 claude-opus-4-20250514 speed / latency No data input / output $1.80/M / $9.00/M | GPT-5 gpt-5-minimal speed / latency No data input / output $0.150/M / $1.20/M |
Claude Opus 4 claude-opus-4-20250514 speed / latency No data input / output $9.25/M / $46.23/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.154/M / $1.23/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
