Models / GPT-4o MiniID: openai/gpt-4o-mini
chat model by OpenAI

GPT-4o Mini

Fast and lightweight multimodal model designed for high-volume tasks, offering 128K context window at low inference costs.

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

PlaygroundQuick Start
Context window128K
Max output16K
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

Source: platform.openai.com
Max output

16K

Source: platform.openai.com
Modality

chat

Vision
Function calling
System prompt

Benchmarks & Performance Rankings

Empirical intelligence benchmarks and category leaderboard placements for GPT-4o Mini.

Compare in BenchmarksLeaderboard
Leaderboard Placements
#12
textScore: 94.5%
#5
image to-webdevScore: 93.2%
#7
speedScore: 97.8%
#3
cost efficiencyScore: 98%
Core Benchmark DimensionsSource: Provider Technical Report & LMSYS
MMLUKnowledge

82%

HumanEvalCoding

87.2%

Latency p50TTFT

140ms

p99: 410ms

ThroughputStream

145tok/s

SWE-bench: 26.4%

Recommended by nRouter Smart Routing: High-volume summarization and customer support. Key operational strength: Fast and affordable model for everyday textual reasoning.

Benchmarks

not listed under this exact id on arena.ai text leaderboard (2026-09-11); listed variant: gpt-4o-mini-2024-07-18 rank 250

Pricing

Rates are read live

Pricing for gpt-4o-mini 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-4o Mini 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-5.4gpt-4o-mini-tts-2025-12-15

Start building with gpt-4o-mini

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-4o-mini
# 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-4o-mini
claude --model openai/gpt-4o-mini