GPT-4 Turbo pricing & benchmarks
GPT-4 Turbo is available from OpenAI at $10.00 per million input tokens and $30.00 per million output tokens ($15.00 blended at 3:1). It accepts up to 128,000 tokens of context. The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to December 2023.
Pricing
Per million tokens · OpenRouter
Input$10.00
Output$30.00
Blended (3:1)$15.00
Specification
openai/gpt-4-turbo
Context window128K
Max output4K
ReleasedApr 2024
LicenceProprietary
Modalitiesin:text, in:image, out:text
Benchmarks
Independently run — not vendor self-reports. Every score links its source.
| Benchmark | Score | Config | Run | Source |
|---|---|---|---|---|
| GPQA Diamond | 46.6% ±2.7 | — | 2025-02-27 | Independently run · Epoch AI |
| OTIS Mock AIME | 6.7% ±2.4 | — | 2025-02-27 | Independently run · Epoch AI |
Scores published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0.
Cheaper models that score at least as well on GPQA Diamond
Strictly lower blended price AND an equal-or-higher GPQA Diamond score. One benchmark is one dimension — a model that wins here may still be weaker at your specific task.
| Model | Provider | Blended $/1M | GPQA Diamond | |
|---|---|---|---|---|
| gpt-oss-120b | OpenAI | $0.070 (−100%) | 75.8% | Compare → |
| Phi 4 | Microsoft | $0.088 (−99%) | 56.1% | Compare → |
| DeepSeek V4 Flash 0731 | DeepSeek | $0.113 (−99%) | 91.0% | Compare → |
| GPT-5 Nano | OpenAI | $0.138 (−99%) | 69.4% | Compare → |
| Llama 4 Scout | Meta | $0.150 (−99%) | 51.8% | Compare → |
Compare GPT-4 Turbo
FAQ
How much does GPT-4 Turbo cost?
GPT-4 Turbo costs $10.00 per million input tokens and $30.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $15.00 per million tokens.
What is GPT-4 Turbo's context window?
GPT-4 Turbo accepts up to 128,000 tokens of context, and can generate up to 4,096 output tokens.
How good is GPT-4 Turbo on benchmarks?
GPT-4 Turbo scores 46.6% on GPQA Diamond, independently run and published by Epoch AI. 2 benchmark results are listed on this page, each with its run date and source.
Is there a cheaper model as good as GPT-4 Turbo?
Yes — 5 models in our catalogue cost less per token than GPT-4 Turbo and score at least as high on the same benchmark. The cheapest is gpt-oss-120b at $0.070 per million tokens blended.