Claude 4 Opus vs Gemini 2.5 Pro

API pricing, context window and capabilities for Claude 4 Opus and Gemini 2.5 Pro, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

Gemini 2.5 Pro wins on price, on intelligence and on context window. Benchmark data is unavailable for one or both models.

Price
Gemini 2.5 Pro
Coding
Not called
Intelligence
Gemini 2.5 Pro
Context window
Gemini 2.5 Pro

Key takeaways

who wins on what, from the published numbers

Claude 4 Opus wins

No clear edge on the tracked metrics.

Gemini 2.5 Pro wins

  • Cheaper input ($5.00 vs $1.25 /1M)
  • Cheaper output ($25.00 vs $10.00 /1M)
  • Larger context window (200K vs 1M)
  • Higher max output (200K vs 1M)
  • More serving providers (3 vs 7)
  • Supports audio
  • Has web search
Cheaper overall
Gemini 2.5 Pro
$1.25 + $10.00 /1M
Larger context
Gemini 2.5 Pro
1M
More providers
Gemini 2.5 Pro
7 providers

Pricing & specs

cheapest serving route · per 1M tokens
Claude 4 OpusGemini 2.5 Pro
Input $/1M$5.00 $1.25 best
Output $/1M$25.00 $10.00 best
Context window200K 1M best
Max output200K 1M best
Serving providers3 7 best
Releasedn/a 2025-06-17

Benchmarks

Artificial Analysis indices, side by side
Claude 4 OpusGemini 2.5 Pro
Intelligence25.5 25.8 best
CodingNot available 33.3
GPQA Diamond70% 84% best
Output speedNot available 164 t/s
Latency (TTFT)Not available 15.60s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Claude 4 Opus
via Snowflake
$50
Gemini 2.5 Pro
via Databricks
$16

Capabilities

feature support, side by side
FeatureClaude 4 OpusGemini 2.5 Pro
Vision
Tool use
Reasoning
Audio
Prompt caching
Structured output
Web search

Related comparisons

Frequently asked questions

Which is cheaper, Claude 4 Opus or Gemini 2.5 Pro?
Gemini 2.5 Pro is cheaper for input ($5.00 vs $1.25 per 1M tokens). Gemini 2.5 Pro is cheaper for output ($25.00 vs $10.00 per 1M tokens).
What is the context window difference between Claude 4 Opus and Gemini 2.5 Pro?
Claude 4 Opus has a 200K-token context window and Gemini 2.5 Pro has 1M tokens, so Gemini 2.5 Pro can take a larger prompt.
How do Claude 4 Opus and Gemini 2.5 Pro compare on benchmarks?
On the tracked Artificial Analysis indices, Gemini 2.5 Pro leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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