token.app › Compare › GPT-3.5 Turbo Instruct vs Beam 1.0 501B A23B

GPT-3.5 Turbo Instruct vs Beam 1.0 501B A23B

Beam 1.0 501B A23B is 3.7× 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-3.5 Turbo InstructBeam 1.0 501B A23B
ProviderOpenAIReflection
Input $/1M$1.50$0.250
Output $/1M$2.00$1.00
Blended $/1M$1.63$0.438
Context window4K1.0M
Max output4K131K
ReleasedSep 2023Oct 2026
LicenceProprietaryOpen weights
Choose GPT-3.5 Turbo Instruct if…
  • No clear advantage on the data we hold.
Choose Beam 1.0 501B A23B if…
  • Costs less per token — $0.438 vs $1.63 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Oct 2026)
FAQ
Which is better, GPT-3.5 Turbo Instruct or Beam 1.0 501B A23B?
We do not hold independently-run benchmark scores covering both GPT-3.5 Turbo Instruct and Beam 1.0 501B A23B, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-3.5 Turbo Instruct cheaper than Beam 1.0 501B A23B?
Beam 1.0 501B A23B is cheaper: $0.438 versus $1.63 per million tokens blended at 3:1 input:output. Input alone: $1.50 vs $0.250. Output alone: $2.00 vs $1.00.
What context windows do GPT-3.5 Turbo Instruct and Beam 1.0 501B A23B have?
GPT-3.5 Turbo Instruct: 4,095 tokens. Beam 1.0 501B A23B: 1,048,576 tokens.
Who makes GPT-3.5 Turbo Instruct and Beam 1.0 501B A23B?
GPT-3.5 Turbo Instruct is made by OpenAI. Beam 1.0 501B A23B is made by Reflection.
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