Beam 1.0 501B A23B vs GPT-6.1 Sol Pro

Price, context window & benchmark comparison

Reflection

Beam 1.0 501B A23B

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

GPT-6.1 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
Reflection
OpenAI
Verdict: Beam 1.0 501B A23B is 9.1× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix. GPT-6.1 Sol Pro has the larger context window (1.1M vs 1M).
Beam 1.0 501B A23BGPT-6.1 Sol 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$0.10
Context window1M1.1M
Max output131K128K
Intelligence index——
Coding index——
Providers—7
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-162026-09-29
Retirement——

Cost calculator

FAQ

Which is cheaper, Beam 1.0 501B A23B or GPT-6.1 Sol Pro?

Beam 1.0 501B A23B is 9.1× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix.

Beam 1.0 501B A23B vs GPT-6.1 Sol Pro: which has a bigger context window?

Beam 1.0 501B A23B: 1,048,576 tokens. GPT-6.1 Sol Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Beam 1.0 501B A23B ≈ $1,000, GPT-6.1 Sol Pro ≈ $9,000.

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