Updated March 26, 2026· Based on independent benchmark data
GPT-5.3 Codex (xhigh) is 5.7x cheaper at $1.75/1M tokens vs $10/1M.
| Metric | Anthropic: Claude Opus 4.8 (Fast) | GPT-5.3 Codex (xhigh) |
|---|---|---|
| Intelligence Score | N/A | 54.0 |
| Coding Score | N/A | 53.1 |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | 72 tok/s |
| Latency (TTFT) | N/A | 83.91s |
| Input Price / 1M tokens | $10 | $1.75 |
| Output Price / 1M tokens | $50 | $14 |
| Context Window | 1M | N/A |
| Max Output Tokens | 128K | N/A |
| Input Modalities | Text + Image + File | Text |
| Output Modalities |
GPT-5.3 Codex (xhigh) is more affordable at $1.75/1M input tokens ($14/1M output), while Anthropic: Claude Opus 4.8 (Fast) costs $10/1M input ($50/1M output). That makes Anthropic: Claude Opus 4.8 (Fast) 5.7x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Anthropic: Claude Opus 4.8 (Fast) would cost approximately $60.00/month vs $10.50/month for GPT-5.3 Codex (xhigh) in input costs alone.
Choose GPT-5.3 Codex (xhigh) when you need lower cost.
GPT-5.3 Codex (xhigh) is cheaper at $1.75/1M input tokens vs $10/1M for Anthropic: Claude Opus 4.8 (Fast).
Yes, Anthropic: Claude Opus 4.8 (Fast) supports image input. GPT-5.3 Codex (xhigh) does not support image input.
Data last synced: March 26, 2026
| Text |
| Text |
| Free Tier | No | No |