OpenAI vs RouterPlus: Token Pricing, Speed & Intelligence

Full comparison of OpenAI and RouterPlus — live token pricing, latency, throughput, context window, strengths, weaknesses, and best use cases. Rates sourced from public APIs — verify before use.

OpenAI

GPT-6 Astra, GPT-5.6 Sol/Terra/Luna — plus image, voice, and realtime APIs

OpenAI's September 2026 API lineup spans GPT-6 Astra (flagship frontier), GPT-5.6 Sol (promotional), GPT-5.6 Terra (balanced), and GPT-5.6 Luna (everyday). Beyond text, the platform includes GPT-Image-2.5 (Sunburst and Flare), GPT-Live-1 voice, GPT-Realtime-2.1 for low-latency voice agents, and transcription/translation models. Batch API saves 50% on all models. Check the live table for current per-token rates.

CodingChatVisionReasoningAgentsVoiceImage generation

Proprietary models

RouterPlus

API router / marketplace — 117 text models with per-route pricing

RouterPlus is an API router and marketplace offering access to 117+ text models. Prices shown are the published base catalog rates — actual price depends on the selected route and context, and is not a guaranteed bill. RouterPlus provides per-route pricing transparency with 27 models having numerically different route prices.

Multi-model accessRoute-level cost transparencyModel comparisonPrototyping

Open-weight hostHosts open weights

Key metric comparison

Cheapest input ($/1M)

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Cheapest output ($/1M)

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Peak throughput

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Best latency (TTFT)

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Intelligence score

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Context window

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Live token pricing

Strengths and weaknesses

OpenAI

Wide API surface: text, image, voice, realtime, transcription, translation, web search, code execution

GPT-6 Astra at the frontier; GPT-5.6 Sol at promotional pricing

Prompt caching on all major models (10% of input price)

Batch API: 50% off all models for async workloads

Wide ecosystem — virtually every AI framework supports OpenAI natively

No open-weight models — full vendor lock-in

GPT-6 Astra output pricing is among the highest for frontier tier — check live table

Rate limits can be restrictive on lower tiers

RouterPlus

Wide catalog: 117 text models including Claude, GPT, Gemini, Grok, Kimi, GLM, Qwen, Mistral, and more

Per-route pricing transparency — see actual route prices, not just a blended rate

OpenAI-compatible API at api.routerplus.com/v1

Includes open-weight models (Llama, Gemma, Qwen, Nemotron)

Catalog rate is not a guaranteed bill — actual price depends on selected route and context

API router/marketplace — not a direct compute provider

27 models have numerically different route prices; check route details before production use

Key differentiators

OpenAI

A broad AI API platform — GPT-6 Astra to GPT-5.6 Luna covering multiple capability tiers, plus native image, voice, realtime, and transcription APIs under one key.

RouterPlus

An API router with 117 text models and per-route pricing transparency — the catalog rate is a published base rate, not a guaranteed bill; actual price depends on selected route and context.

Frequently asked questions

OpenAI FAQs

What are the latest OpenAI models as of 2026?

OpenAI's current lineup includes GPT-6 Astra (flagship frontier), GPT-5.6 Sol (promotional), GPT-5.6 Terra (balanced), and GPT-5.6 Luna (everyday). The o-series reasoning models remain available for complex multi-step tasks. Check the live table or platform.openai.com/docs/pricing for current rates.

How much does the OpenAI API cost?

OpenAI uses tiered per-token pricing across its model lineup. The Batch API cuts all prices by 50% for async workloads, and prompt caching reduces input costs by 50% on eligible requests. Check platform.openai.com/docs/pricing for current rates.

Does OpenAI support prompt caching?

Yes. Prompt caching is available on GPT-6 Astra, GPT-5.6 Sol, and other major models. Cached input tokens are billed at 50% of the standard input price, making long-context and repeated-system-prompt workloads significantly cheaper.

RouterPlus FAQs

Are RouterPlus prices guaranteed?

No. RouterPlus prices shown are published base catalog rates. Actual price depends on the selected route and context. 27 models have numerically different route prices. Check route details before production use.

What models does RouterPlus offer?

RouterPlus offers 117 text models including Claude 5 (Fable 5.1, Opus 5-5, Sonnet 5-5, Haiku 5-5), GPT-6 Astra, Gemini 3.x, Grok 4.x, Kimi K3, GLM-5.3, Qwen 3.8 Max, DeepSeek V4 Pro, Mistral Large 4, and many more. See the model table for current rates.

What is the RouterPlus API base URL?

The RouterPlus API base is https://api.routerplus.com/v1 with OpenAI-compatible endpoints. See https://app.routerplus.com/docs/models for full documentation.

Provider resources

OpenAI

Provider page

Website

Pricing Docs

RouterPlus

Provider page

Website

Pricing Docs

OpenAI — GPT-6 Astra, GPT-5.6 Sol/Terra/Luna — plus image, voice, and realtime APIs

A broad AI API platform — GPT-6 Astra to GPT-5.6 Luna covering multiple capability tiers, plus native image, voice, realtime, and transcription APIs under one key.

RouterPlus — API router / marketplace — 117 text models with per-route pricing

An API router with 117 text models and per-route pricing transparency — the catalog rate is a published base rate, not a guaranteed bill; actual price depends on selected route and context.

Key strengths compared

OpenAI

Wide API surface: text, image, voice, realtime, transcription, translation, web search, code execution
GPT-6 Astra at the frontier; GPT-5.6 Sol at promotional pricing
Prompt caching on all major models (10% of input price)

No open-weight models — full vendor lock-in
GPT-6 Astra output pricing is among the highest for frontier tier — check live table

RouterPlus

Wide catalog: 117 text models including Claude, GPT, Gemini, Grok, Kimi, GLM, Qwen, Mistral, and more
Per-route pricing transparency — see actual route prices, not just a blended rate
OpenAI-compatible API at api.routerplus.com/v1

Catalog rate is not a guaranteed bill — actual price depends on selected route and context
API router/marketplace — not a direct compute provider

Key weaknesses compared

OpenAI

No open-weight models — full vendor lock-in
GPT-6 Astra output pricing is among the highest for frontier tier — check live table
Rate limits can be restrictive on lower tiers

RouterPlus

Catalog rate is not a guaranteed bill — actual price depends on selected route and context
API router/marketplace — not a direct compute provider
27 models have numerically different route prices; check route details before production use

Provider category context

OpenAI is a frontier lab, founded in 2015. RouterPlus is a inference api. OpenAI as a frontier lab trains and serves its own proprietary models. RouterPlus as an inference API provider hosts open-weight models — typically offering lower prices for equivalent capability tiers but without access to proprietary frontier models.

How to choose between them

Choose OpenAI if you need wide api surface: text, image, voice, realtime, transcription, translation, web search, code execution. Choose RouterPlus if you need wide catalog: 117 text models including claude, gpt, gemini, grok, kimi, glm, qwen, mistral, and more. For high-volume production workloads, run a cost comparison using the token pricing table above with your actual prompt/completion token ratio — the cheapest provider depends heavily on your input-to-output token ratio.