Beam 1.0 501B A23B
reflection/beam-1.0-501b-a23bSparse mixture-of-experts reasoning model with 23B active parameters for coding and agentic workflows
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...
Context
1.05M
1,048,576 tokens
Max output
131K
131,072 tokens
Input
Free
per 1M tokens
Output
Free
per 1M tokens
Providers
12
14 listings
Intelligence
—
Not yet scored
Pricing
USD per 1M tokens · listed by Reflection
| Token type | Standard |
|---|---|
| Input | Free |
| Output | Free |
| Cache read | Free |
Lowest input price across providers: Free.
Capabilities
ReasoningYes
Effort: low, medium, high, xhigh, max
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsNo
Interleaved reasoningYes
Field: reasoning_content
Open weightsYes
ModeratedNo
Input
Text
Output
Text
Benchmarks
Published scores and Design Arena Elo
- IntelligenceNot scored—
- CodingNot scored—
- AgenticNot scored—
- Arena1,220#32 of 128
Rankings
Position on each OneAtlas leaderboard
Providers · 12
14 listings
Reflection
NanoGPT
Vercel AI Gateway
Kilo Gateway
Eden AI
OpenCode
Cloudflare AI Gateway
OpenCode Go
Together AI
Nebius Token Factory
CoreWeave
Ollama Cloud| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloudflare AI Gateway | reflection-ai/beam-1.0-501b-a23b | 262K | — | 131K | Free | Free | — | Free | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| CoreWeave | reflection/Beam-1.0-501B-A23B | 1.05M | — | 1.05M | $0.30 | $1.00 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Eden AI | together_ai/reflection/Beam-1.0-501B-A23B | 1.05M | — | 131K | $0.40 | $1.20 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Kilo Gateway | reflection/beam-1.0-501b-a23b | 1.05M | — | 131K | $0.25 | $1.00 | — | $0.05 | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Kilo Gateway | reflection/beam-free | 1.05M | — | 131K | Free | Free | Free | Free | — | — | — | Yes | Yes | No | Yes | Aug 26, 2025 |
| NanoGPT | reflection/beam-1.0 | 1.05M | 1.05M | 131K | $0.50 | $1.50 | — | $0.05 | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Nebius Token Factory | reflection/beam | 1.05M | — | 131K | $0.25 | $1.00 | — | $0.05 | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Ollama Cloud | beam | 1.05M | — | 131K | — | — | — | — | — | — | — | Yes | Yes | No | Yes | Oct 16, 2026 |
| OpenCode | beam-free | 1.05M | — | 131K | Free | Free | — | Free | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| OpenCode Go | beam-free | 1.05M | — | 131K | Free | Free | — | Free | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Reflection | Beam-1.0-501B-A23B | 1.05M | — | 131K | Free | Free | — | Free | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Together AI | reflection/Beam-1.0-501B-A23B | 1.05M | — | 131K | $0.40 | $1.20 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Vercel AI Gateway | reflection/beam | 1.05M | — | 131K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |
| Vercel AI Gateway | reflection/beam-free | 1.05M | — | 131K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | Yes | Oct 16, 2026 |