Reka Core vs Grok 4.5
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
|
Rby Reka
|
Xby xAI
|
|
|---|---|---|
| Overview | ||
| Status | Current flagship | Current flagship |
| Released | Jun 1, 2025 | Jul 8, 2026 |
| Pricing per million tokens | ||
| Input | $2.00/Mtok | $2.00/Mtok |
| Output | $6.00/Mtok | $6.00/Mtok |
| Blended avg | $4.00/Mtok | $4.00/Mtok |
| Specifications | ||
| Context window | 128K tokens | 500K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimagevideoaudio
|
textimage
|
| Providers | ||
| Available from |
Reka — $2.00/$6.00/Mtok
|
xAI — $2.00/$6.00/Mtok
|
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Reka Core | Grok 4.5 | Savings |
|---|---|---|---|
| 1M tokens | $4 | $4 | $0 (0%) |
| 10M tokens | $40 | $40 | $0 (0%) |
| 100M tokens | $400 | $400 | $0 (0%) |
| 1000M tokens | $4000 | $4000 | $0 (0%) |
Try Reka Core on Reka
The cheaper option here — Reka Core costs $4.00/Mtok blended on Reka.
Summary
Reka Core by Reka costs $2.00/Mtok input and $6.00/Mtok output, with a 128K-token context window. It supports text, image, video, audio input.
Grok 4.5 by xAI costs $2.00/Mtok input and $6.00/Mtok output, with a 500K-token context window. It supports text, image input.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.