Compare AI Models
Pricing, benchmarks, and capabilities for Claude, GPT, Gemini, Grok, DeepSeek, and Perplexity — updated April 2026.
Last updated: April 20, 2026
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AI Model Comparison
Flagship models from each provider, compared on the metrics that matter.
| Model | Provider | API Input $/1M | API Output $/1M | Context Window | Coding | Reasoning | Writing | Speed |
|---|---|---|---|---|---|---|---|---|
| Claude Opus 4.7 | Anthropic | $5.00 | $25.00 | 1M | ★★★★★ | ★★★★★ | ★★★★★ | Medium |
| GPT-5.4 | OpenAI | $2.50 | $15.00 | 1M | ★★★★★ | ★★★★★ | ★★★★★ | Fast |
| Gemini 3.1 Pro | $2.00 | $12.00 | 1M | ★★★★★ | ★★★★★ | ★★★★★ | Medium | |
| Grok 4.20 | xAI | $2.00 | $6.00 | 2M | ★★★★★ | ★★★★★ | ★★★★★ | Very Fast |
| DeepSeek V3.2 | DeepSeek AI | $0.28 | $0.42 | 128K | ★★★★★ | ★★★★★ | ★★★★★ | Fast |
| Sonar Pro | Perplexity | $3.00 | $15.00 | 200K | ★★★★★ | ★★★★★ | ★★★★★ | Fast |
Budget-Friendly Tiers
Smaller, faster models for cost-sensitive or high-volume workloads.
| Model | Provider | API Input $/1M | API Output $/1M | Context | Best For |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | Anthropic | $1.00 | $5.00 | 200K | Fast classification, summaries, chat |
| Claude Sonnet 4.6 | Anthropic | $3.00 | $15.00 | 1M | Balanced coding + reasoning |
| GPT-5.4-mini | OpenAI | $0.75 | $4.50 | 400K | High-volume chat, lightweight tasks |
| GPT-5.4-nano | OpenAI | $0.20 | $1.25 | 400K | Edge inference, classification |
| Gemini 3.1 Flash-Lite | $0.15 | $0.60 | 1M | Cost-efficient multimodal | |
| Grok 4.1 Fast | xAI | $0.20 | $0.50 | 2M | Speed-first reasoning, search |
| DeepSeek V3.2 (cached) | DeepSeek AI | $0.028 | $0.42 | 128K | Bulk processing, agents (90% cache discount) |
| Sonar (basic) | Perplexity | $1.00 | $1.00 | 128K | Quick search-grounded answers |
All data sourced from official provider documentation and API pricing pages as of April 2026. Star ratings reflect consensus from public benchmarks (SWE-bench, GPQA Diamond, USAMO, HumanEval) and independent evaluations (LMSYS Arena, Artificial Analysis). Pricing reflects standard API rates for flagship models. Ratings are updated when providers release new models or pricing changes. This page does not use affiliate links.