Claude 3.7 Sonnet
Anthropic • text+image+file->text
Context Window200K
Knowledge CutoffFeb 24, 2025
Claude 3.7 Sonnet vs Gemini 2.5 Pro
Gemini 2.5 Pro for massive document analysis and multimodal reasoning, Claude 3.7 Sonnet for code and agentic workflows.
Open model page
Gemini 2.5 Pro
Google • text+image+file+audio+video->text
Context Window1.0M
Knowledge CutoffJun 17, 2025
Editorial Verdict
Claude 3.7 Sonnet wins on code quality; Gemini 2.5 Pro wins on repository-scale context.
Claude 3.7 Sonnet and Gemini 2.5 Pro are both excellent for coding, with slight specializations. Claude 3.7 Sonnet has the edge in code quality and instruction following precision. Gemini 2.5 Pro has the edge in massive codebase context (1M tokens) and native code execution. For code quality, choose Claude. For processing entire large repositories at once, choose Gemini.
Claude 3.7 Sonnet
- Higher quality code generation with better adherence to specifications
- Superior debugging assistance and multi-file project understanding
- More predictable outputs without the variability seen in some model outputs
Best for: Teams prioritizing code quality, precision, and instruction adherence
Gemini 2.5 Pro
- 1M token context for processing entire large repositories at once
- Native code execution for testing and validating generated code
- Strong coding performance combined with multimodal reasoning
Best for: Large codebase analysis and repository-scale code understanding
Pricing sourced from OpenRouter — updates as their catalog changes.
Pricing Comparison
All values pull from OpenRouter and update as their catalog changes.
| Metric | Claude 3.7 Sonnet | Gemini 2.5 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $3.00 | $1.25 | 🏆 Gemini 2.5 Pro |
| Output (per 1M tokens) | $15.00 | $10.00 | 🏆 Gemini 2.5 Pro |
| Request fee | N/A | N/A | N/A |
| Image fee | N/A | $0.000001 | 🏆 Gemini 2.5 Pro |
Cost Estimator
Estimate monthly billing using real OpenRouter prices.
Claude 3.7 Sonnet Total
$330Gemini 2.5 Pro Total
$193.75Estimated Monthly Savings: $136.25 with Gemini 2.5 Pro
Capability Signals
Scores are directional estimates from model metadata — not official benchmark results.
Claude 3.7 SonnetMMLU Signal (Reasoning)Gemini 2.5 Pro
87%
92%
Claude 3.7 SonnetHumanEval Signal (Coding)Gemini 2.5 Pro
76%
81%
Claude 3.7 SonnetAgentic Tooling SignalGemini 2.5 Pro
84%
89%
Claude 3.7 SonnetMultimodal SignalGemini 2.5 Pro
78%
89%
Capabilities Matrix
Feature highlights for architecture and production fit.
Claude 3.7 Sonnet Strengths
- Supports image inputs for multimodal analysis workflows.
- Strong tool-calling and structured response support.
- Large context window for long documents and codebases.
Gemini 2.5 Pro Strengths
- Supports image inputs for multimodal analysis workflows.
- Supports audio and speech scenarios with native modality support.
- Strong tool-calling and structured response support.
API Implementation
Quick start snippets for each provider style.
Anthropic (Python)
import anthropic
client = anthropic.Anthropic()
message = client.messages.create(
model="anthropic/claude-3.7-sonnet",
max_tokens=1024,
messages=[{"role": "user", "content": "Hello"}]
)
print(message.content)Google (Python)
from google import genai client = genai.Client(api_key="YOUR_API_KEY") response = client.models.generate_content( model="google/gemini-2.5-pro", contents="Hello" ) print(response.text)
Choose Claude 3.7 Sonnet when...
- Your application includes visual reasoning and image understanding tasks.
- You process large documents or code repositories in a single prompt.
- You rely on function calling, tool chaining, and structured output contracts.
Choose Gemini 2.5 Pro when...
- You need low-latency voice and speech workflows with Gemini 2.5 Pro.
- Your application includes visual reasoning and image understanding tasks.
- You process large documents or code repositories in a single prompt.
Frequently Asked Questions
Practical checks before selecting a production model.
Is Claude 3.7 Sonnet better than Gemini 2.5 Pro?
It depends on the workload. Claude 3.7 Sonnet and Gemini 2.5 Pro differ in pricing, context window, and capability mix — see the side-by-side table above for the breakdown.
What's the price difference between Claude 3.7 Sonnet and Gemini 2.5 Pro?
Claude 3.7 Sonnet: $3.00 per 1M input tokens. Gemini 2.5 Pro: $1.25 per 1M input tokens. Output token pricing typically runs 2-5x higher.
Which model is better for coding?
Coding preference depends on your stack and tool-calling needs. Compare the coding signal row, test with your repository tasks, and validate latency in your target region.
Which model is cheaper at scale?
Input and output token pricing can diverge by workload profile. Use the estimator with your monthly request count and token mix to get a realistic cost difference.
Are these official benchmark numbers?
Pricing is live from OpenRouter. Benchmark rows are ModelsAtlas metadata-based signals and should be treated as directional guidance, not official leaderboard scores.
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