Sonar vs Reka Flash
Side-by-side API pricing comparison · Perplexity vs Reka
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Sonar is 40% cheaper on blended cost ($1.00 vs $1.40/Mtok)
Sonar
by Perplexity
Current mid tierInput
$1.00/Mtok
Output
$1.00/Mtok
✓ Cheaper
| Blended avg | $1.00/Mtok |
|---|---|
| Context | 200K tokens |
| Modality | text |
| Parameters | Proprietary |
| Released | Feb 1, 2025 |
Reka Flash
by Reka
Current mid tierInput
$0.800/Mtok
Output
$2.00/Mtok
| Blended avg | $1.40/Mtok |
|---|---|
| Context | 128K tokens |
| Modality | text, image, video, audio |
| Parameters | Proprietary |
| Released | Jun 1, 2025 |
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Sonar | Reka Flash | Savings |
|---|---|---|---|
| 1M tokens | $1 | $1.4 | $0.4 (28.6%) |
| 10M tokens | $10 | $14 | $4 (28.6%) |
| 100M tokens | $100 | $140 | $40 (28.6%) |
| 1000M tokens | $1000 | $1400 | $400 (28.6%) |
Summary
Sonar by Perplexity costs $1.00/Mtok input and $1.00/Mtok output, with a 200K-token context window. It supports text input.
Reka Flash by Reka costs $0.800/Mtok input and $2.00/Mtok output, with a 128K-token context window. It supports text, image, video, audio input.
On a blended cost basis, Sonar is 40% cheaper than Reka Flash. It also has a larger context window.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.