Data points: 54
The readout for Claude Opus 4.6 and GPT-4.5, before the detailed comparison sheet.
Decision read
Claude Opus 4.6
Claude Opus 4.6 currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
54 data points
Includes 0 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 9 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs GPT-4.5claude-opus-4-6-vs-gpt-4-5 | Model A Claude Opus 4.6 | Model B GPT-4.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | No data |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
| Developer | Anthropic | OpenAI |
| Context window | 1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Apr 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | No data |
| 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-4.5 |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | GPT-4.5 |
|---|---|---|
| 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 4.6 | GPT-4.5 |
|---|---|---|
42公益站0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
AIGCBAR0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
AIO通用智能服务平台0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
AI发财网0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
CaMeL AI0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
Claude Opus 4.6 claude-opus-4-6-thinking speed / latency No data input / output $0.205/M / $1.03/M | GPT-4.5 gpt-4.5-preview-2025-02-27 speed / latency No data input / output $3.08/M / $6.16/M | |
Claude Opus 4.6 claude-opus-4-6-low speed / latency No data input / output $0.274/M / $1.37/M | GPT-4.5 gpt-4.5-preview speed / latency No data input / output $20.55/M / $41.10/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0.685/M / $3.42/M | GPT-4.5 gpt-4.5-preview-2025-02-27 speed / latency No data input / output $10.27/M / $20.55/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0.685/M / $3.42/M | GPT-4.5 gpt-4.5-preview-2025-02-27 speed / latency No data input / output $10.27/M / $20.55/M |
This report only uses LMSpeed data for Claude Opus 4.6 and GPT-4.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | GPT-4.5 |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | GPT-4.5 GPT-4.5 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Claude Opus 4.6 leads across 54 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs GPT-4.5 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.
