GPT-4o benchmarks, pricing and specs
GPT-4o is an OpenAI model released on May 13, 2024 that takes text, image and audio input and produces text. It is now listed as a legacy model. It costs $2.50 per 1M input tokens and $10 per 1M output tokens and accepts up to 128,000 tokens of context. It scores 1346 Elo on Arena Text (Arena, measured October 8, 2026).
- Per 1M input tokens
- $2.50
- Per 1M output tokens
- $10
- Context window
- 128K
- Arena Text
- 1346 Elo
Data verified October 12, 2026 · Dataset 2026-10-12
Key facts
- Provider
- OpenAI
- Model family
- GPT-4o
- Release date
- May 13, 2024
- Status
- Legacy
- Access
- API only
- API model id
- Not reported
- Context window
- 128,000 tokens
- Max output
- 16,384 tokens
- Input
- text, image, audio
- Output
- text
- Task families
- text, multimodal
- Declared capabilities
- reasoning
GPT-4o pricing
It is the #11 most expensive of 38 current text models priced per 1M input tokens.
Independent benchmark results
Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. OpenAI's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.
| Benchmark | Score | Rank | Measured | Source |
|---|---|---|---|---|
| Arena Text | 1346 Elo | Not ranked | October 8, 2026 | Arena · 2026-10-12 |
| GPQA Diamond | 48.9% | Not ranked | October 12, 2026 | Epoch AI · 2026-10-12 |
Strengths, cautions and best uses
Strengths
- GPT-4o records API access for text, image, and audio inputs and a published 128,000-token context window
Cautions
- This record is marked legacy; confirm current availability and migration requirements before adoption
Best for
- API trials combining text, images, and audio
Alternatives to GPT-4o
The closest current textmodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.
Cheaper, same or higher score
GPT-6 Luna
- 96% cheaper per 1M input tokens, $0.10 vs $2.50
- 97 points higher on Arena Text, 1443 vs 1346
- 1.05M context window vs 128K
GPT-5.4
- Same price per 1M input tokens, $2.50
- 129 points higher on Arena Text, 1475 vs 1346
- 1.05M context window vs 128K
Kimi K3
- 20% more per 1M input tokens, $3 vs $2.50
- 142 points higher on Arena Text, 1488 vs 1346
- 1.05M context window vs 128K
- From Moonshot Kimi
Claude Sonnet 5
- 20% cheaper per 1M input tokens, $2 vs $2.50
- 115 points higher on Arena Text, 1461 vs 1346
- 1M context window vs 128K
- From Anthropic
GPT-4o FAQ
How much does GPT-4o cost?
GPT-4o costs $2.50 per 1M input tokens and $10 per 1M output tokens at the standard tier. It is the #11 most expensive of 38 current text models priced per 1M input tokens. Source: OpenAI, verified August 6, 2026.
What is the context window of GPT-4o?
GPT-4o accepts up to 128,000 tokens of context. It can return up to 16,384 tokens in one response. That ranks #40 of 45 current text models by context length.
How does GPT-4o score on independent benchmarks?
GPT-4o scores 1346 Elo on Arena Text (Arena, measured October 8, 2026) and 48.9% on GPQA Diamond (Epoch AI, measured October 12, 2026). These are independent evaluations, not OpenAI's own launch figures.
Is GPT-4o open source or API only?
GPT-4o is available through OpenAI's API only; its weights are not published.
What are the best alternatives to GPT-4o?
The closest current alternatives by price and measured performance are GPT-6 Luna (96% cheaper per 1M input tokens, $0.10 vs $2.50), GPT-5.4 (same price per 1M input tokens, $2.50), Kimi K3 (20% more per 1M input tokens, $3 vs $2.50) and Claude Sonnet 5 (20% cheaper per 1M input tokens, $2 vs $2.50).
Sources
- Hello GPT-4o · OpenAI · official · verified August 6, 2026
- OpenAI API pricing · OpenAI · official · verified August 6, 2026
- GPT-4o model · OpenAI · official · verified August 6, 2026
- Epoch AI Benchmarking Hub data (benchmark_data.zip) · Epoch AI · independent · verified October 12, 2026 · CC-BY-4.0
- Arena leaderboard dataset (lmarena-ai/leaderboard-dataset) · Arena · independent · verified October 12, 2026 · CC-BY-4.0
Cite this page
Van Data Team. "GPT-4o Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-12. https://vandatateam.com/ai-model-benchmarks/gpt-4o
Reuse the data: JSON · CSV · or explore every model in the AI model benchmark comparison.
Production evaluation
Deciding whether GPT-4o fits your workload?
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