token.app › Compare › Claude Opus 5 (Fast) vs Gemini 3.6 Flash

Claude Opus 5 (Fast) vs Gemini 3.6 Flash

Gemini 3.6 Flash is 6.7× cheaper per token on a blended 3:1 basis. Gemini 3.6 Flash accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 5 (Fast)Gemini 3.6 Flash
ProviderAnthropicGoogle
Input $/1M$10.00$1.50
Output $/1M$50.00$7.50
Blended $/1M$20.00$3.00
Context window1M1.0M
Max output128K66K
ReleasedJul 2026Jul 2026
LicenceProprietaryProprietary
Choose Claude Opus 5 (Fast) if…
  • Newer model (released Jul 2026)
Choose Gemini 3.6 Flash if…
  • Costs less per token — $3.00 vs $20.00 blended
  • Larger context window (1.0M)
FAQ
Which is better, Claude Opus 5 (Fast) or Gemini 3.6 Flash?
We do not hold independently-run benchmark scores covering both Claude Opus 5 (Fast) and Gemini 3.6 Flash, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 5 (Fast) cheaper than Gemini 3.6 Flash?
Gemini 3.6 Flash is cheaper: $3.00 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $10.00 vs $1.50. Output alone: $50.00 vs $7.50.
What context windows do Claude Opus 5 (Fast) and Gemini 3.6 Flash have?
Claude Opus 5 (Fast): 1,000,000 tokens. Gemini 3.6 Flash: 1,048,576 tokens.
Who makes Claude Opus 5 (Fast) and Gemini 3.6 Flash?
Claude Opus 5 (Fast) is made by Anthropic. Gemini 3.6 Flash is made by Google.
Related comparisons