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Model and gateway comparisons

No fence-sitting. Each page states who wins for which decision and why. Model head-to-heads use reuse-adjusted economics; gateway comparisons are honest about what the other tools do well.

How Zumik differs from gateways and routers.

Open-source gateway / SDK

Zumik vs LiteLLM

A widely used proxy and SDK that normalizes 100+ model APIs behind one interface.

CompareAI gateway + observability

Zumik vs Portkey

A production gateway with observability, guardrails, governance, and prompt management.

CompareModel marketplace / router

Zumik vs OpenRouter

A unified marketplace routing to 400+ models across 60+ providers with price/uptime arbitration.

CompareLLM observability

Zumik vs Helicone

An observability and logging layer for LLM apps with caching and cost tracking.

CompareAI gateway (we build on it)

Zumik vs Bifrost

A fast open-source AI gateway with broad provider coverage, semantic caching, and failover.

Compare

The matchups teams actually weigh.

GPT-5.5 vs Claude Fable 5

The two default flagships for general and coding agents.

Claude Opus 4.8 vs Gemini 3.1 Pro Preview

Quality coding model vs. very-long-context multimodal model.

GPT-5 Mini vs Gemini 3.5 Flash

The cheap-fast tier for high-volume tool calls and classification.

Claude Haiku 4.5 vs Gemini 3.5 Flash

The fastest profiled models for latency-critical agent loops.

DeepSeek-V4-Pro vs OpenAI gpt-oss-120b

Open-weights reasoning for cost-sensitive and regulated lanes.

Kimi K2.6 vs GLM 5.1

Open-weights agentic coding specialists for repo-scale agents.

Claude Opus 4.8 vs GPT-5.5 Pro

Top-tier reasoning for planning and hard debugging.

GPT-5.5 vs Grok 4.3

Frontier general models with different cost-control levers.

All 105 model matchups, generated from live provider data.

Each pair below has its own page with reuse-adjusted pricing, cache economics, context, warm TTFT, and a computed verdict. Numbers track the source providers (OpenAI, Anthropic, Google, xAI, DeepSeek, Fireworks, and the rest of the catalog).

Stop comparing on list price alone.

Reuse-adjusted cost changes the ranking. See the catalog and leaderboards for the full picture.

Model catalogLeaderboards