Models / GPT-4 TurboID: openai/gpt-4-turbo
chat model by OpenAI

GPT-4 Turbo

High-capability multimodal GPT-4 model featuring a 128K token context window and vision processing capabilities.

Certified & verified by nRouter· facts checked 2026-09-14 against 2 official sources

PlaygroundQuick Start
Context window128K
Max output4K
Maker

OpenAI

Served On

OpenAI

Specifications

Context window, ranked against other chat models

Proportional scale: 0 to 131.1K tokens. Not ranked, no published context window: glm-5.3-prime, qwen3-235b-a22b-2507, qwen3.7-max-2026-05-17, claude-opus-5-5.

Context window

128.0K

tokens
Max output

4K

tokens
Modality

chat

Vision
Function calling
System prompt

Benchmarks

not listed under this exact id on arena.ai text leaderboard (2026-09-11); listed variant: gpt-4-turbo-2024-04-09 rank 240

Pricing

Rates are read live

Pricing for gpt-4-turbo is fetched from the live catalogue on load, so it is never served from a cache that could outlive a repricing.

Availability

Not enough data yet

We have not collected enough health probes for this model to publish an uptime or latency figure. A percentage from a handful of samples is fabricated precision, so none is shown until the sample count supports one.

How GPT-4 Turbo is billed

Billed at the provider's list price, with no per-token markup.

Exact list price
Tokens settle at the published rate of the model that served your call.
Cache discounts passed through
Provider prompt-caching discounts reach your balance with no added fee.
Cost on every response
Each response carries the x-nr-request-cost header, so you can reconcile spend per request.

More from OpenAI

gpt-5.6-lunagpt-5.5-progpt-4o-minigpt-5.4

Start building with gpt-4-turbo

One API key, three steps. Choose your tool to begin.

  1. Get a key

    Create API key

  2. Set your API key

    export NROUTER_API_KEY="<YOUR_API_KEY>"

  3. Configure Claude Code

    Choose a tool, then copy its setup from the panel.

npm install -g @anthropic-ai/claude-code
Claude Code · openai/gpt-4-turbo
# Point Claude Code to nRouter gateway
export ANTHROPIC_BASE_URL="https://api.nrouter.ai"
export ANTHROPIC_API_KEY="$NROUTER_API_KEY"

# Launch with openai/gpt-4-turbo
claude --model openai/gpt-4-turbo