Data points: 90
The readout for Claude Opus 4.8 and GPT-5.2, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 1 to 4.
Evidence depth
90 data points
Includes 8 benchmark rows, 2 audit samples, and 10 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 20 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.8 vs GPT-5.2claude-opus-4-8-vs-gpt-5-2 | Model A Claude Opus 4.8 | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 4 wins |
| Where it leads | First-token latency | Cheapest input price, Average speed, Provider coverage, Recent tests |
| Model metadata | Claude Opus 4.8 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | Anthropic | OpenAI |
| Context window | 1M tokens | 128K tokens |
| Max output | 128K tokens | 16.4K tokens |
| Released | May 2026 | Dec 2025 |
| Modalities | Input TextImageFile Output Text | Input FileImageText 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 | Claude | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.8-fast | openai/gpt-5.2-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.8 | GPT-5.2 |
|---|---|---|
| HLE | 45.7%#2 | 35.4%#9 |
| GPQA | 92.0%#3 | 90.3%#9 |
| SciCode | 53.5%#7 | 52.1%#9 |
| Input price | $5.00/M#41 | $1.75/M#35 |
| Output price | $25.00/M#47 | $14.00/M#43 |
| Blended price | $10.00/M#68 | $4.81/M#62 |
| Output speed | 60.1 tok/s#83 | 81.3 tok/s#70 |
| Time to first answer token | 21.67 s#74 | 122.93 s#109 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.8 | GPT-5.2 |
|---|---|---|
速创APIWinner: Claude Opus 4.8 | Claude Opus 4.8 claude-opus-4-8 Audit score 100 100100100100 | GPT-5.2 gpt-5.2 No audit yet |
钠 APIWinner: Claude Opus 4.8 | Claude Opus 4.8 claude-opus-4-8 Audit score 76 72727088 | GPT-5.2 gpt-5.2 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-5.2 |
|---|---|---|
ModelPool5 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 5256ms input / output No data |
Rnglg2 API5 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 55 tok/s / 1434ms input / output No data |
WONG公益站5 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 2953ms input / output No data |
WSocket AI5 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 54 tok/s / 1449ms input / output No data |
Yun API5 tests | Claude Opus 4.8 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 32 tok/s / 1965ms input / output No data |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.040/M / $0.200/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.020/M / $0.160/M | |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.685/M / $3.42/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.034/M / $0.274/M | |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.103/M / $0.514/M | GPT-5.2 gpt-5.2(xhigh) speed / latency No data input / output $0.041/M / $0.329/M | |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.205/M / $1.03/M | GPT-5.2 gpt-5.2-xhigh speed / latency No data input / output $0.072/M / $0.575/M | |
Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.342/M / $1.71/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.120/M / $0.959/M |
This report only uses LMSpeed data for Claude Opus 4.8 and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.8 | GPT-5.2 |
|---|---|---|
| When to choose each model | Claude Opus 4.8 Claude Opus 4.8 is stronger when you prioritize First-token latency. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Average speed, Provider coverage, Recent tests. |
TL;DR: GPT-5.2 leads across 90 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.8 vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
