token.app › Compare › GPT-5.4 Nano (batch) vs Beam 1.0 501B A23B

GPT-5.4 Nano (batch) vs Beam 1.0 501B A23B

GPT-5.4 Nano (batch) is 1.9× cheaper per token on a blended 3:1 basis. Beam 1.0 501B A23B accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-5.4 Nano (batch)Beam 1.0 501B A23B
ProviderOpenAIReflection
Input $/1M$0.100$0.250
Output $/1M$0.625$1.00
Blended $/1M$0.231$0.438
Context window400K1.0M
Max output128K131K
ReleasedMar 2026Oct 2026
LicenceProprietaryOpen weights
Choose GPT-5.4 Nano (batch) if…
  • Costs less per token — $0.231 vs $0.438 blended
Choose Beam 1.0 501B A23B if…
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Oct 2026)
FAQ
Which is better, GPT-5.4 Nano (batch) or Beam 1.0 501B A23B?
We do not hold independently-run benchmark scores covering both GPT-5.4 Nano (batch) and Beam 1.0 501B A23B, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.4 Nano (batch) cheaper than Beam 1.0 501B A23B?
GPT-5.4 Nano (batch) is cheaper: $0.231 versus $0.438 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.250. Output alone: $0.625 vs $1.00.
What context windows do GPT-5.4 Nano (batch) and Beam 1.0 501B A23B have?
GPT-5.4 Nano (batch): 400,000 tokens. Beam 1.0 501B A23B: 1,048,576 tokens.
Who makes GPT-5.4 Nano (batch) and Beam 1.0 501B A23B?
GPT-5.4 Nano (batch) is made by OpenAI. Beam 1.0 501B A23B is made by Reflection.
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