AI Model Atlas / Reflection
Beam 1.0 501B A23B
One million input tokens cost $0.30 and one million output tokens $1.00. Context window: 1M tokens, about 1,748 A4 pages.
What it costs in practice
Pricing per million tokens doesn't mean anything to anyone, so I convert it to three tasks that people actually give to models. The usage assumptions are listed for each row so you can verify them.
| Task | Input | Output | Cost |
|---|---|---|---|
| 1500-word articlebrief plus finished text in English | 1,500 tokens | 2,200 tokens | $0.0027 |
| 100 chat queries700 tokens per question and 400 per answer | 70,000 tokens | 40,000 tokens | $0.06 |
| Hour of work with an agentagent reads repository and writes fixes | 250,000 tokens | 30,000 tokens | $0.11 |
Technical details
| Provider | Reflection |
| Modalities | text → text |
| Context window | 1M tokens (~1,748 A4 pages) |
| Maximum response | 944k tokens |
| Step-by-step reasoning | yes |
| Tool calling | yes |
| Forced JSON format | yes |
| Knowledge cutoff | 2026-06-30 |
| Cache read | $0.040 per million |
| Content moderation | no extra filter |
How it compares to the rest
The database contains 469 models. In terms of input pricing Beam 1.0 501B A23B is more expensive than 38 percent of paid models. A longer context window is available in 54 models.
Input price history
2026-10-17 · $1.002026-11-11 · $0.30
The chart shows the price of a million input tokens on consecutive measurement days. History starts on the day I launched the atlas and grows with each day. I don't backfill data.
Alternatives at a similar price
Models from other providers whose cost for the same article comes out closest.
| Model | Input / M | Output / M | 1500-word article | Context |
|---|---|---|---|---|
| Qwen3 Coder 480B A35BQwen (Alibaba) | $0.30 | $1.00 | $0.0027 | 262k |
| Inkling Small (batch)Thinkingmachines | $0.36 | $0.96 | $0.0027 | 524k |
| Llama 3.1 70B InstructMeta | $0.72 | $0.72 | $0.0027 | 131k |
| Qwen3 VL 30B A3B ThinkingQwen (Alibaba) | $0.29 | $1.00 | $0.0026 | 262k |
Compare Beam 1.0 501B A23B with another model or go back to the full database 469 models.