Beam 1.0 501B A23B vs Nova Premier 1.0 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.
Nova Premier 1.0 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | Beam 1.0 501B A23B | Nova Premier 1.0 | Winner |
|---|---|---|---|
| Maker | Reflection | Amazon | – |
| Type | Open-weight | Proprietary | REBeam 1.0 501B A23B |
| Context window | 1M tokens | 1M tokens | REBeam 1.0 501B A23B |
| Input price | $0.25/M · free self-host | $2.5/M | REBeam 1.0 501B A23B |
| Output price | $1/M · free self-host | $12.5/M | REBeam 1.0 501B A23B |
| Vision / multimodal | No | Yes | AMNova Premier 1.0 |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | Yes | No (API only) | REBeam 1.0 501B A23B |
| License | Open weights | Proprietary | REBeam 1.0 501B A23B |
Beam 1.0 501B A23B is ~13× cheaper than Nova Premier 1.0 on output tokens ($1 vs $12.5 per M tokens).
| Capability | Beam 1.0 501B A23B | Nova Premier 1.0 |
|---|---|---|
| Open weights (downloadable) | ✓ | ✗ |
| Self-hostable | ✓ | ✗ |
| Runs fully offline | ✓ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✓ |
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
| Criterion | Beam 1.0 501B A23B | Nova Premier 1.0 |
|---|---|---|
| Cost-efficiency | 4.5 | 3.5 |
| Context window | 5.0 | 5.0 |
| Openness | 5.0 | 1.5 |
| Self-hosting | 5.0 | 1.0 |
| Multimodality | 3.5 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active parameters per token, and a...
Amazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.
Beam 1.0 501B A23B is open-weight and competitive on many tasks, but Nova Premier 1.0 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.
Yes. Beam 1.0 501B A23B has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Nova Premier 1.0 is API-only and cannot be self-hosted.
Beam 1.0 501B A23B costs $1/M output vs $12.5/M for Nova Premier 1.0 — roughly 13x cheaper via API, and free if you self-host.
Choose Beam 1.0 501B A23B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Nova Premier 1.0 if you want frontier capability through a managed API with zero infrastructure to run.
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