# Reflection Beam 1.0 501B A23B

Reflection Beam 1.0 501B A23B costs $0.30 per million input tokens and $1.00 per million output tokens, and it scores 33.8 on the Vibe Coding Index from 1 benchmark, as of October 21, 2026.

Page: https://llmbenchmark.ai/models/reflection-beam-1-0-501b-a23b
Data from October 21, 2026. Every figure below names the board it was read from and the day.

- Maker: Reflection
- Released: October 16, 2026
- Price per million input tokens: $0.30
- Price per million output tokens: $1.00
- Context window: 1.05M tokens
- Vibe Coding Index: 33.8 (from 1 of 4 coding benchmarks)

Benchmark results (28 of 190):

- LMArena WebDev: 1437 Elo (source: LMArena WebDev, read October 21, 2026)
- Design Arena: websites: 1253 Elo (source: Design Arena, read October 21, 2026)
- Design Arena: game dev: 1222 Elo (source: Design Arena, read October 21, 2026)
- LMArena Text: 1425 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: coding: 1473 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: hard prompts: 1442 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: math: 1459 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: instruction following: 1430 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: creative writing: 1390 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: English: 1436 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: non-English: 1413 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: Chinese: 1424 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: French: 1461 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: Russian: 1412 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: multi-turn: 1414 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: longer queries: 1429 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: expert: 1447 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: hard prompts in English: 1451 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: software and IT: 1461 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: mathematical work: 1475 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: science: 1430 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: medicine and healthcare: 1376 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: legal and government: 1433 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: business and finance: 1430 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: writing and language: 1400 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena Text: entertainment and media: 1399 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena WebDev: React: 1443 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)
- LMArena WebDev: HTML: 1436 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)