Claude 3 Opus
Unknown • Unknown
Context WindowUnknown
Knowledge CutoffUnknown
Claude 3 Opus vs GPT-4o
Claude 3 Opus for deep analysis and complex reasoning, GPT-4o for speed, multimodal, and ecosystem.
GPT-4o
OpenAI • text+image+file->text
Context Window128K
Knowledge CutoffMay 13, 2024
Editorial Verdict
Claude 3 Opus wins on reasoning quality; GPT-4o wins on versatility and production ecosystem.
Claude 3 Opus outperforms GPT-4o on complex reasoning and analysis benchmarks, but GPT-4o has advantages in speed, multimodal, and API maturity. For maximum quality on hard tasks, Claude 3 Opus wins. For production versatility and multimodal, GPT-4o wins. These are complementary models.
Claude 3 Opus
- Highest benchmark scores on complex reasoning and graduate-level science
- Superior instruction following and task completion reliability
- More consistent outputs on nuanced, open-ended queries
Best for: High-stakes analysis, research synthesis, and maximum reasoning quality
GPT-4o
- Multimodal across text, images, audio, and video in one model
- Faster inference and lower cost than Claude 3 Opus
- Mature API ecosystem with reliable function calling and enterprise support
Best for: Production applications requiring multimodal and mature API ecosystem
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 Opus | GPT-4o | Winner |
|---|---|---|---|
| Input (per 1M tokens) | Custom | $2.50 | 🏆 GPT-4o |
| Output (per 1M tokens) | Custom | $10.00 | 🏆 GPT-4o |
| Request fee | N/A | N/A | N/A |
| Image fee | N/A | N/A | N/A |
Cost Estimator
Estimate monthly billing using real OpenRouter prices.
Claude 3 Opus Total
VariableGPT-4o Total
$237.5Savings unavailable (pricing not published for one model).
Capability Signals
Scores are directional estimates from model metadata — not official benchmark results.
Claude 3 OpusMMLU Signal (Reasoning)GPT-4o
N/A
69%
Claude 3 OpusHumanEval Signal (Coding)GPT-4o
N/A
76%
Claude 3 OpusAgentic Tooling SignalGPT-4o
N/A
84%
Claude 3 OpusMultimodal SignalGPT-4o
N/A
78%
Capabilities Matrix
Feature highlights for architecture and production fit.
Claude 3 Opus Strengths
- Live capability metadata is currently unavailable for this model.
- Re-check after the next OpenRouter catalog refresh.
- Use provider docs for exact benchmark claims.
GPT-4o Strengths
- Supports image inputs for multimodal analysis workflows.
- Strong tool-calling and structured response support.
- Balanced general-purpose profile for chat, extraction, and automation tasks.
API Implementation
Quick start snippets for each provider style.
Unknown (Python)
# Model metadata unavailable # See provider docs for API usage.
OpenAI (Python)
from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
model="openai/gpt-4o",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Choose Claude 3 Opus when...
- Use Claude 3 Opus when this provider is required by policy constraints.
- Validate performance with your own evaluation set before production rollout.
- Confirm final cost in the provider dashboard for your deployment region.
Choose GPT-4o when...
- Your application includes visual reasoning and image understanding tasks.
- You rely on function calling, tool chaining, and structured output contracts.
- You want a balanced default for mixed chat and workflow automation workloads.
Frequently Asked Questions
Practical checks before selecting a production model.
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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