Model Comparison
Claude Opus 4.6 (Max)
vs. GPT-5.2 (Xhigh)
Claude Opus 4.6 (Max) has not been available at LLMBase since 26 October 2026. Open alternative: DeepSeek V4 Pro →
GPT-5.2 (Xhigh) has not been available at LLMBase since 26 October 2026. Open alternative: DeepSeek V4 Pro →
Comparing 2 AI models · 0 benchmarks · Anthropic, OpenAI
Recommended Pick
OpGPT-5.2 (Xhigh)4 metric winsStrongest on: Input price, Output price, Blended price
Lowest Price
GPT-5.2 (Xhigh)
$1.75/1M input price
Differences That Matter
Price gap
GPT-5.2 (Xhigh) is 2.9x cheaper on input tokens than Claude Opus 4.6 (Max).
Speed gap
GPT-5.2 (Xhigh) generates about 1.6x as many tokens per second as Claude Opus 4.6 (Max).
Top-pick rationale
GPT-5.2 (Xhigh) wins 4 measurable categories, including Input price, Output price, Blended price, Throughput.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude Opus 4.6 (Max)
Anthropic
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
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GPT-5.2 (Xhigh)
OpenAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | An Claude Opus 4.6 (Max) | Top Pick Op GPT-5.2 (Xhigh) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $5.00/1M | $1.75/1M |
| Output Cost | $25.00/1M | $14.00/1M |
| Blended (3:1) | $10.00/1M | $4.81/1M |
| Specifications | ||
| Organization | Anthropic | OpenAI |
| Release Date | Feb 5, 2026 | Dec 11, 2025 |
| Performance & Speed | ||
| Throughput | 46.0 tok/s | 73.0 tok/s |
| TTFT | 26790ms | 213290ms |
| Latency | 26790ms | 213290ms |
Key Takeaways
GPT-5.2 (Xhigh) offers the best value at $1.75/1M,making it ideal for high-volume applications and cost-conscious projects.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Claude Opus 4.6 (Max)
- General-purpose AI
- Versatile applications
GPT-5.2 (Xhigh)
- Cost-sensitive applications
- High-volume processing
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