Meta Muse Spark 1.3 Contributor vs rekaai Reka Flash 3
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Both cost about the same at a typical 3:1 input/output mix.
- Muse Spark 1.3 Contributor accepts longer prompts: 1M vs 66K tokens.
- Muse Spark 1.3 Contributor is the newer model (released 2026-09-02).
| Muse Spark 1.3 Contributor | Reka Flash 3 | |
|---|---|---|
| Vendor | Meta | rekaai |
| Released | 2026-09-02 | 2025-03-12 |
| Input / 1M | $0.10 | $0.10 |
| Output / 1M | $0.20 | $0.20 |
| Cached input / 1M | $0.0020 | — |
| Blended / 1M (3:1) | $0.125 | $0.125 |
| Context | 1M | 66K |
| Max output | 944K | 59K |
| Accepts | text, image, file, video | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $0.20 | $0.20 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
Muse Spark 1.3 Contributor
$9.00 per month$0.30 per day
Reka Flash 3
$9.00 per month$0.30 per day
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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