GPT-4o
OpenAI • text+image+file->text
Context Window128K
Knowledge CutoffMay 13, 2024
GPT-4o vs Gemini 1.5 Pro
Gemini 1.5 Pro for video understanding and 1M context, GPT-4o for image-to-text reliability and ecosystem.
Open model page
Gemini 1.5 Pro
Unknown • Unknown
Context WindowUnknown
Knowledge CutoffUnknown
Editorial Verdict
GPT-4o wins on coding and ecosystem; Gemini 1.5 Pro wins on context length and document processing.
GPT-4o and Gemini 1.5 Pro are both strong multimodal models, but Gemini 1.5 Pro's 1M token context gives it a massive advantage for document-heavy workflows. GPT-4o leads on coding and has a more mature API ecosystem. For multimodal document processing at scale, Gemini 1.5 Pro wins. For coding and general production use, GPT-4o wins.
GPT-4o
- Superior coding performance across diverse programming languages
- Mature API with reliable function calling and structured output
- Multimodal consistency across text, images, audio, and video
Best for: Coding applications and general multimodal production use
Gemini 1.5 Pro
- 1M token context for processing entire books, document sets, or codebases
- Strong multimodal understanding with native video frame analysis
- Lower cost per token than GPT-4o with competitive benchmark performance
Best for: Long-document multimodal processing and massive context applications
Pricing sourced from OpenRouter — updates as their catalog changes.
Pricing Comparison
All values pull from OpenRouter and update as their catalog changes.
| Metric | GPT-4o | Gemini 1.5 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $2.50 | Custom | 🏆 GPT-4o |
| Output (per 1M tokens) | $10.00 | Custom | 🏆 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.
GPT-4o Total
$237.5Gemini 1.5 Pro Total
VariableSavings unavailable (pricing not published for one model).
Capability Signals
Scores are directional estimates from model metadata — not official benchmark results.
GPT-4oMMLU Signal (Reasoning)Gemini 1.5 Pro
69%
N/A
GPT-4oHumanEval Signal (Coding)Gemini 1.5 Pro
76%
N/A
GPT-4oAgentic Tooling SignalGemini 1.5 Pro
84%
N/A
GPT-4oMultimodal SignalGemini 1.5 Pro
78%
N/A
Capabilities Matrix
Feature highlights for architecture and production fit.
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.
Gemini 1.5 Pro 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.
API Implementation
Quick start snippets for each provider style.
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)Unknown (Python)
# Model metadata unavailable # See provider docs for API usage.
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.
Choose Gemini 1.5 Pro when...
- Use Gemini 1.5 Pro 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.
Frequently Asked Questions
Practical checks before selecting a production model.
Is GPT-4o better than Gemini 1.5 Pro?
It depends on the workload. GPT-4o and Gemini 1.5 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 GPT-4o and Gemini 1.5 Pro?
GPT-4o: $2.50 per 1M input tokens. Gemini 1.5 Pro: N/A 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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