Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Apriel-v1.5-15B-Thinker | GPT-5.4 (Non-reasoning) |
|---|---|---|
| Input ($/M tokens) | $0 | $2.5 |
| Output ($/M tokens) | $0 | $15 |
Data from Artificial Analysis API — 12 benchmarks
Apriel-v1.5-15B-Thinker is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $5.63/M for GPT-5.4 (Non-reasoning).
Apriel-v1.5-15B-Thinker wins 6 out of 12 benchmarks compared to 5 for GPT-5.4 (Non-reasoning). See the detailed benchmark chart above for per-category results.
GPT-5.4 (Non-reasoning) generates tokens faster at 62 tok/s vs 0 tok/s. Apriel-v1.5-15B-Thinker also has lower time-to-first-token (0.00s vs 0.65s).
Choose based on your priorities: Apriel-v1.5-15B-Thinker for lower cost, Apriel-v1.5-15B-Thinker for stronger benchmark performance, and GPT-5.4 (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.