token.app › Compare › Claude Opus 4.5 (batch) vs Grok 4.5

Claude Opus 4.5 (batch) vs Grok 4.5

Grok 4.5 is 1.7× cheaper per token on a blended 3:1 basis. Grok 4.5 accepts the larger context window (500K).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 4.5 (batch)Grok 4.5
ProviderAnthropicxAI
Input $/1M$2.50$2.00
Output $/1M$12.50$6.00
Blended $/1M$5.00$3.00
Context window200K500K
Max output64K
ReleasedNov 2025Jul 2026
LicenceProprietaryProprietary
Choose Claude Opus 4.5 (batch) if…
  • No clear advantage on the data we hold.
Choose Grok 4.5 if…
  • Costs less per token — $3.00 vs $5.00 blended
  • Larger context window (500K)
  • Newer model (released Jul 2026)
FAQ
Which is better, Claude Opus 4.5 (batch) or Grok 4.5?
We do not hold independently-run benchmark scores covering both Claude Opus 4.5 (batch) and Grok 4.5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 4.5 (batch) cheaper than Grok 4.5?
Grok 4.5 is cheaper: $3.00 versus $5.00 per million tokens blended at 3:1 input:output. Input alone: $2.50 vs $2.00. Output alone: $12.50 vs $6.00.
What context windows do Claude Opus 4.5 (batch) and Grok 4.5 have?
Claude Opus 4.5 (batch): 200,000 tokens. Grok 4.5: 500,000 tokens.
Who makes Claude Opus 4.5 (batch) and Grok 4.5?
Claude Opus 4.5 (batch) is made by Anthropic. Grok 4.5 is made by xAI.
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