GPT-4 Turbo
GPT-4 Turbo is a legacy integration reference; evaluate GPT-4.1 before starting new work.
Use it for
- Teams maintaining an existing integration
- Workloads that can use a 128k context window
- Buyers comparing 4 tracked provider routes
Do not use it for
- New production launches
- Family
- GPT-4
- Released
- 2024-04-09
- Context
- 128k
- Parameters
- 1.76T (8x222B MoE)*
- Architecture
- Mixture of Experts
- Knowledge cutoff
- 2023-12
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Fine-tuned
Cheapest of 6 routes · Replicate API
This model is deprecated. OpenAI recommends switching to GPT-4.1.
About
OpenAI's high-performance variant of GPT-4 with 128K context window and improved reasoning. Widely used for production applications.
GPT-4 Turbo is a proprietary model in the GPT-4 family. The structured metadata tracks a 128k-token context window, multimodal input, function calling, tool use, structured outputs, and code execution. This page tracks provider routes through OpenAI API, Azure OpenAI, Salesforce Einstein Generative AI, and 3 more, with the cheapest tracked route listed at $5 input and $15 output per 1M tokens. Headline tracked benchmarks include Massive Multitask Language Understanding 86.5, Chatbot Arena 1242.0, and MMLU PRO 69.4.
Top use-case fit: coding, agents, and build tasks
Coding
Included by capability and metadata signals in the decision map.
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare all 6Compare API pricing across 4 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Batch in / out | Route |
|---|---|---|---|---|
| Replicate API | $5.00 | $15.00 | - | Serverless |
| OpenAI API | $10.00 | $30.00 | $5.00 / $15.00 | Serverless |
| OpenRouter | $10.00 | $30.00 | - | Serverless |
| Vercel AI Gateway | $10.00 | $30.00 | - | Serverless |
Available via routers & gateways(16)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Azure AI Foundry Model Router
RouterMicrosoft Azure AI Foundry's native model router that uses a trained ML model to route each prompt in real time to the optimal Azure-hosted model, with Balanced/Cost/Quality mode selection and automatic failover.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Capabilities
Benchmark peer barsfor Classification
Benchmark scores(3)
| Benchmark | Score | Version | Source |
|---|---|---|---|
| Massive Multitask Language Understanding | 86.5 | 5-shot | https://openai.com/index/gpt-4-research/ |
| Chatbot Arena | 1242.0 | — | https://lmarena.ai |
| MMLU PRO | 69.4 | — | https://huggingface.co/spaces/TIGER-Lab/MMLU-Pro |
Migration checks
No linked migration route is available for this model yet.
API versions
gpt-4-turbo-2024-04-09gpt-4-turboCompare GPT-4 Turbo with other models
Comparison and alternatives
Browse all comparisons →Show all 2 popular comparisonssorted by 7-day search impressions
Frequently asked questions
What is the context window of GPT-4 Turbo?
GPT-4 Turbo has a context window of 128k tokens.
How much does GPT-4 Turbo cost?
GPT-4 Turbo pricing ranges from $5/1M to $10/1M input tokens depending on the provider.
When was GPT-4 Turbo released?
GPT-4 Turbo was released on 2024-04-09.
Which providers offer GPT-4 Turbo?
GPT-4 Turbo is available from 6 providers: OpenAI API, Azure OpenAI, Salesforce Einstein Generative AI, OpenRouter, Replicate API, Vercel AI Gateway.
What benchmarks has GPT-4 Turbo been tested on?
GPT-4 Turbo has been evaluated on 3 benchmarks, including Massive Multitask Language Understanding, Chatbot Arena, MMLU PRO.
Cheapest of 6 routes · Replicate API