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OpenAI GPT-5 (OpenRouter)

Frontier model on OpenRouter with multimodal inputs and strong reasoning depth for complex tasks.

verifiedRecently verifiedSource: openrouter-models-api
Health low (31)

Best for

  • • Complex reasoning, coding design decisions, and high-risk analysis tasks.

Limitations

  • • Higher output token cost needs strict budget controls.
  • • For latency-sensitive UX, route simple prompts to smaller model tiers.

Use carefully when

  • • Simple low-stakes chat where cheaper models are sufficient.

Quickstart

  1. Use cached system prompts and short response constraints for cost control.

Setup checklist

  • • API key required: Yes
  • • SDK quality: high
  • • Self-host difficulty: easy

Health Meter

  • • Setup complexity: 35
  • • Safety & misuse risk: 35
  • • License/compliance risk: 18

• Good baseline for controlled deployment.

Capabilities

  • contextTokens400000
  • supportsImageInputtrue
  • supportsFileInputtrue
  • toolCallingtrue
  • structuredOutputtrue

Benchmarks

contextWindowTokens
400000
inputCostPerMUsd
1.25
outputCostPerMUsd
10
inputModalitiesCount
3

Community reviews

1 reviews • avg 5

Great for hard reasoning

★ 5

We route only complex planning tasks here and it performs reliably.

Samples

Architecture diagnosis

Pinpoint bottlenecks and propose migration strategy.

Last verified: 25/2/2026, 2:24:25 am • Source: https://openrouter.ai/api/v1/models
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