Beam 1.0 501B A23B vs GPT-6.1 Terra 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 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
Compare different models
Reflection
OpenAI
Verdict: Beam 1.0 501B A23B is 4.6× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 1M).
Beam 1.0 501B A23BGPT-6.1 Terra Pro
Input price / 1M$0.25$1.00
Output price / 1M$1.00$5.00
Blended price (3:1)$0.44$2.00
Cached input / 1M$0.05$0.05
Context window1M1.1M
Max output131K128K
Intelligence index——
Coding index——
Providers—4
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-162026-10-26
Retirement——

Cost calculator

FAQ

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

Beam 1.0 501B A23B is 4.6× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

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

Beam 1.0 501B A23B: 1,048,576 tokens. GPT-6.1 Terra 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 Terra Pro ≈ $4,500.

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