token.app › Compare › GPT-3.5 Turbo Instruct vs Claude Opus 5

GPT-3.5 Turbo Instruct vs Claude Opus 5

GPT-3.5 Turbo Instruct is 6.2× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-3.5 Turbo InstructClaude Opus 5
ProviderOpenAIAnthropic
Input $/1M$1.50$5.00
Output $/1M$2.00$25.00
Blended $/1M$1.63$10.00
Context window4K1M
Max output4K128K
ReleasedSep 2023Jul 2026
LicenceProprietaryProprietary
Choose GPT-3.5 Turbo Instruct if…
  • Costs less per token — $1.63 vs $10.00 blended
Choose Claude Opus 5 if…
  • Larger context window (1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-3.5 Turbo Instruct or Claude Opus 5?
We do not hold independently-run benchmark scores covering both GPT-3.5 Turbo Instruct and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-3.5 Turbo Instruct cheaper than Claude Opus 5?
GPT-3.5 Turbo Instruct is cheaper: $1.63 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $1.50 vs $5.00. Output alone: $2.00 vs $25.00.
What context windows do GPT-3.5 Turbo Instruct and Claude Opus 5 have?
GPT-3.5 Turbo Instruct: 4,095 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes GPT-3.5 Turbo Instruct and Claude Opus 5?
GPT-3.5 Turbo Instruct is made by OpenAI. Claude Opus 5 is made by Anthropic.
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