Beam 1.0 501B A23B vs Kimi K3.1 Pro

Price, context window & benchmark comparison

Reflection

Beam 1.0 501B A23B

Reflection
$0.25 / $1.00
Input / Output · per 1M tokens
VS
Moonshot AI

Kimi K3.1 Pro

Moonshot AI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
Reflection
Moonshot AI
Verdict: Beam 1.0 501B A23B is 9.1× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.
Beam 1.0 501B A23BKimi K3.1 Pro
Input price / 1M$0.25$2.00
Output price / 1M$1.00$10.00
Blended price (3:1)$0.44$4.00
Cached input / 1M$0.05$0.20
Context window1M1M
Max output131K944K
Intelligence index—46
Coding index——
Providers—2
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-162026-10-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Beam 1.0 501B A23B or Kimi K3.1 Pro?

Beam 1.0 501B A23B is 9.1× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Beam 1.0 501B A23B vs Kimi K3.1 Pro: which has a bigger context window?

Beam 1.0 501B A23B: 1,048,576 tokens. Kimi K3.1 Pro: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Beam 1.0 501B A23B ≈ $1,000, Kimi K3.1 Pro ≈ $9,000.

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