LLM API Comparison — April 2026

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OpenAI Anthropic Google xAI DeepSeek Moonshot Alibaba Mistral Zhipu AI
GPT-5.4 GPT-5.4-nano Claude Opus 4.6 Claude Haiku 4.5 Gemini 2.5 Pro Gemini Flash-Lite Grok 4.20 Grok 4.1 Fast V3.2 / R1 Kimi K2.5 Qwen Plus Qwen Flash Le Chat GLM-5-Turbo
Best for Agent orchestration, tool calling, structured output Router, micro-task, high-volume triage Premium coding, deep reasoning, legal analysis, long-form writing Intermediate validation, budget GDPR-safe, semantic classification Native multimodality (audio, video, images), CAG with grounding Ultra-budget triage and classification Real-time data, social trends, live event analysis Huge context at minimal cost Ultra-high volume tasks at near-zero cost (V3.2), budget math reasoning (R1) Swarm orchestration, sub-task parallelization Enterprise multilingual, 92-language translation Ultra-budget tasks, classification, routing Italian/EU workflows, GDPR compliance, text tasks, tool calling, agent orchestration Long-chain agentic workflows with tool calling (text-only). Cheaper alternative to Sonnet for workflow coordination. Not GDPR-safe for EU personal data.
Max context 1.05M 1.05M 1M 200K 1M 1M 2M 2M 128K 256K 1M 1M 128K (up to 1M with advanced versions) 200K
Input: text Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Input: images Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes No (but integrable with external tools) No
Input: audio Yes (Realtime API) No No No Yes (native, up to 9.5h) No Yes (Voice API) No No No Yes (Omni) No No (but integrable with external tools) No
Input: video No No No No Yes (native) No No No No No Yes (Omni) No No (but integrable with external tools) No
Image generation Yes (gpt-image) No No No Yes (inline) No Yes No No No No No No (but integrable with external tools) No
Tool calling Most mature and reliable (>95%) Yes, basic Yes (strict tool use) Yes Yes Yes Yes Yes Yes (V3.2), No (R1 reasoner) Yes (300 steps) Yes Yes Yes, advanced and reliable Yes (agent-specialized)
Structured output JSON Strict mode, most robust Yes Yes (GA) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes, strict mode Yes
Coding Good (dedicated Codex for agentic) Basic SWE-bench leader (80.7%). The best Sufficient Good Basic Good Basic Competitive at 1/10 cost Good (visual coding) Good (dedicated Coder variant) Basic Excellent for Python/JS/SQL, clear explanations Excellent (SOTA on SWE-bench, refactoring/debugging)
Reasoning / Math Good (o4-mini: 99.5% AIME) Limited Excellent (adaptive thinking) Sufficient Excellent (Deep Think) Limited Good Basic Excellent (R1: visible CoT, debuggable) Good Good (dedicated Math variant) Limited Excellent for logical problems, visible CoT Good
Translation / Multilingual Good Basic Good Good Good (24+ audio languages) Basic Basic Basic Basic Good (CN/EN) The best (92 languages, dedicated MT) Good Excellent for European languages, natural tone Excellent (CN/EN, bilingual leader)
Long context / CAG Good (1M, penalty beyond 272K) Basic Excellent (1M, caching -90%) 200K, sufficient Excellent (Google Search grounding) Basic Best context/price ratio (2M) Best context/price ratio (2M) 128K, limited Good (256K, CAG-specialized) Good (1M) Basic Good for RAG, EU data, context up to 128K Good (200K)
Real-time / Web search Yes (web search tool) No Yes (beta) No Yes (Google Search grounding) No The best (X + native server-side web) Yes (X + web) No No No No No (but integrable with external APIs: Twitter, Google Search, etc.) No
Agentic orchestration Most complete (Agents SDK, MCP, computer use) Basic Excellent (14.5h autonomous METR) Basic Good Basic Good (server-side tools) Basic Basic Best for swarm (100+ parallel sub-agents) Good (adaptive tool use) Basic Yes, parallel task support via API, easy integration with EU stack Excellent (long-chain, persistent tool use)
Batch API (-50%) Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes
Prompt caching Yes (auto, ~90% discount) Yes Yes (-90% on cache hit) Yes Yes (-90%) Yes Yes (auto, 75-97%) Yes Yes (auto, 90%) Yes (75%) Yes Yes Yes (up to 90% discount on hit) Yes
Fine-tuning Yes (SFT, DPO) Yes No No Yes (Flash) No No No No No No No Yes (open-weight, Apache 2.0/MIT) Yes (open-weight ChatGLM variants)
Embeddings Yes (native) Yes No No Yes (multimodal) Yes No No No No Yes Yes Yes (multilingual, open-weight) Yes
Open-weight Yes (gpt-oss, Apache 2.0) Yes No No Yes (Gemma 3, 1B-27B) Yes Grok-1 obsolete (Apache 2.0) Grok-1 obsolete Yes (MIT, 671B MoE) Yes (Modified MIT, 1T MoE) Yes (Apache 2.0, up to 397B) Yes (Apache 2.0) Yes (Mistral 7B, Mixtral 8x7B, Mistral Large 2, Apache 2.0) Yes (previous versions, open variants)
OpenAI SDK compatibility Native (the standard) Native Test layer, not production. Use Messages API Test layer Dedicated endpoint, nearly complete Dedicated endpoint Drop-in Drop-in Drop-in Drop-in Drop-in (DashScope) Drop-in Partial (compatible with many tools, but not native like OpenAI) Drop-in
Main limitations Aggressive deprecation. Lock-in. Penalty beyond 272K tokens Limited reasoning Most expensive. No audio/video/image gen. No open-weight 200K context. Limited reasoning Excessive safety filtering. Price doubles beyond 200K Reduced capabilities Young provider. Uncertain sustainability. Political biases Not suitable for coding or legal Data in China. No vision/audio. Throttling. Political censorship No EU representative. Training on user data. Immature ecosystem Fragmented documentation. Chinese law Reduced capabilities No native audio/video/image support; lower context than top models (but rapidly evolving) Hosted in China, not GDPR-safe, no multimodal input
Cost +++ + +++++ ++ +++ + +++ + + ++ +++ + ++ ++

Cost legend

+ ultra-budget ++ budget +++ medium ++++ expensive +++++ premium

GDPR / EU Compliance

Provider EU Hosting DPA Data Residency Risk Notes
Mistral Yes Yes EU (France, Paris) Low Data processed exclusively in EU. Headquarters in Paris. Privacy policies GDPR compliant by design. No extra-EU data transfer.
Anthropic Yes (via AWS Bedrock) Yes EU via AWS eu-west (Bedrock) Medium Direct API processes in US. EU residency requires AWS Bedrock in EU region. Claude is the only LLM that declares its own limitations.
Google Yes (via Vertex AI) Yes EU via Vertex AI (europe-west) Medium Vertex AI paid for EU residency. AI Studio processes globally. Price doubles beyond 200K tokens on Vertex.
OpenAI Yes (via Azure) Yes EU via Azure West Europe Medium Direct API processes in US. EU residency requires Azure OpenAI Service. Aggressive model deprecation.
Alibaba (Qwen) Partial (DashScope from Singapore/US) Limited Singapore / US High DashScope API from Singapore/US. Self-hosted EU possible with Apache 2.0 weights (up to 397B). Subject to Chinese law. Fragmented documentation.
xAI No Yes (on request) US-based High No EU hosting option. DPA available on request. Young provider, uncertain sustainability. Possible political biases in training data (X/Twitter).
DeepSeek No (self-hosted only) No China Critical Data processed and stored in China. Banned by Italian DPA. Subject to Chinese national security laws. Only GDPR-safe option: self-hosted EU with open weights (MIT). Active political censorship.
Moonshot (Kimi) No (self-hosted only) No China / Singapore Critical No EU representative. Declared training on user data. Immature ecosystem. Only GDPR-safe option: self-hosted EU with open weights (Modified MIT, 1T MoE).
Zhipu AI (GLM) No (self-hosted only) No China Critical Data processed and stored in China. Subject to Chinese national security laws. EU self-hosting possible via open-weight ChatGLM variants. Active political censorship.