Data points: 110
The readout for Claude Opus 4.6 and GPT-5.4, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 0 to 6.
Evidence depth
110 data points
Includes 8 benchmark rows, 6 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 23 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs GPT-5.4claude-opus-4-6-vs-gpt-5-4 | Model A Claude Opus 4.6 | Model B GPT-5.4 |
|---|---|---|
| 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 |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | Anthropic | OpenAI |
| Context window | 1M tokens | 1.1M tokens |
| Max output | 128K tokens | 128K tokens |
| Released | Apr 2026 | Mar 2026 |
| Modalities | Input TextImageFile Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | openai/gpt-5.4 |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
| GPQA | 84.0%#38 | 92.0%#3 |
| SciCode | 45.7%#20 | 56.6%#3 |
| HLE | 18.6%#43 | 41.6%#4 |
| Time to first answer token | 1.32 s#33 | 197.76 s#110 |
| Input price | $6.25/M#41 | $2.50/M#36 |
| Output price | $25.00/M#46 | $15.00/M#43 |
| Time to first token | 1.32 s#54 | 197.76 s#110 |
| Output speed | 44.9 tok/s#94 | 85.8 tok/s#57 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
BUZZWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 97 10010010088 | GPT-5.4 gpt-5.4 No audit yet |
VSLLMWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 94 76100100100 | GPT-5.4 gpt-5.4 No audit yet |
Cuz AIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 89 56100100100 | GPT-5.4 gpt-5.4 No audit yet |
Yuan APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 89 56100100100 | GPT-5.4 gpt-5.4 No audit yet |
小水管 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 84 728480100 | GPT-5.4 gpt-5.4 No audit yet |
钠 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 80 668470100 | GPT-5.4 gpt-5.4 No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
天宫造物50 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data |
巨量API49 tests | Claude Opus 4.6 speed / latency 24 tok/s / 7946ms input / output No data | GPT-5.4 speed / latency 43 tok/s / 12778ms input / output No data |
Kunkunout API20 tests | Claude Opus 4.6 speed / latency 40 tok/s / 16141ms input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
Sub2API20 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 34 tok/s / 1748ms input / output No data |
钠 API20 tests | Claude Opus 4.6 speed / latency 42 tok/s / 2282ms input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $73.00/M / $365.00/M | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0/M / $0/M | |
Claude Opus 4.6 claude-opus-4.6 speed / latency No data input / output $0/M / $0/M | GPT-5.4 GPT-5.4 speed / latency No data input / output $75.00/M / $75.00/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/M / $0/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $0/M / $0/M | |
Claude Opus 4.6 claude-opus-4-6-high speed / latency No data input / output $0.0014/M / $0.0068/M | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0.0007/M / $0.0041/M |
This report only uses LMSpeed data for Claude Opus 4.6 and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.4 leads across 110 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs GPT-5.4 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.
