Claude Opus 4.6 vs GPT-5.4: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
| Company | Anthropic | OpenAI |
| Release Date | February 4, 2026 | March 5, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | 128K |
| Input Price / 1M | $5.00 | $2.50 |
| Output Price / 1M | $25.00 | $15.00 |
| Average Score | 0.8 | 0.9 |
| Benchmarks | ||
| Graphwalks Parents >128K | 0.9 | 0.9 |
| GPQA | 0.9 | 0.9 |
| TAU2 Telecom | 1.0 | 1.0 |
Visual Benchmark Comparison
Claude Opus 4.6
GPT-5.4
Graphwalks Parents >128K0.9 vs 0.9
0.9
0.9
GPQA0.9 vs 0.9
0.9
0.9
TAU2 Telecom1.0 vs 1.0
1.0
1.0
Verdict
GPT-5.4 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 4.6 — 0.8, GPT-5.4 — 0.9.
API Cost
GPT-5.4 is 1.7x cheaper: input $2.50/1M vs $5.00/1M tokens.
Context Window
Same context size: 1M tokens.
Recency
GPT-5.4 is newer: released 3/5/2026 vs 2/4/2026.
More About These Models
Related Comparisons
The Claude Opus 4.6 and GPT-5.4 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 4.6 or GPT-5.4 page. See also the complete list of AI model comparisons.