token.app › Compare › Claude Opus 4.5 (batch) vs Mercury 3

Claude Opus 4.5 (batch) vs Mercury 3

Mercury 3 is 31× cheaper per token on a blended 3:1 basis. Mercury 3 accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 4.5 (batch)Mercury 3
ProviderAnthropicInception
Input $/1M$2.50$0.100
Output $/1M$12.50$0.350
Blended $/1M$5.00$0.163
Context window200K1M
Max output64K131K
ReleasedNov 2025Oct 2026
LicenceProprietaryProprietary
Choose Claude Opus 4.5 (batch) if…
  • No clear advantage on the data we hold.
Choose Mercury 3 if…
  • Costs less per token — $0.163 vs $5.00 blended
  • Larger context window (1M)
  • Newer model (released Oct 2026)
FAQ
Which is better, Claude Opus 4.5 (batch) or Mercury 3?
We do not hold independently-run benchmark scores covering both Claude Opus 4.5 (batch) and Mercury 3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 4.5 (batch) cheaper than Mercury 3?
Mercury 3 is cheaper: $0.163 versus $5.00 per million tokens blended at 3:1 input:output. Input alone: $2.50 vs $0.100. Output alone: $12.50 vs $0.350.
What context windows do Claude Opus 4.5 (batch) and Mercury 3 have?
Claude Opus 4.5 (batch): 200,000 tokens. Mercury 3: 1,000,000 tokens.
Who makes Claude Opus 4.5 (batch) and Mercury 3?
Claude Opus 4.5 (batch) is made by Anthropic. Mercury 3 is made by Inception.
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