
Learn how to connect LibreChat to 500+ AI models using CometAPI. Configure the OpenAI-compatible endpoint to access GPT 5.5, Claude 4-7, and DeepSeek V4.

Learn how to connect Open WebUI to 500+ AI models using CometAPI. Configure the OpenAI-compatible gateway to save 20-40% on production API costs.

Looking for a cost-effective OpenAI alternative? Switch to a unified API layer to access 500+ models like Claude 4.7 and GPT-5.5 at 20% lower rates.

Claude 4.6/4.7 vs. GPT-5.4/5.5: A detailed 2026 comparison of Claude Claude 4.6/4.7 vs ChatGPT GPT-5.4/5.5 covering. Access 500+ AI models via CometAPI.
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GPT-5.5 shows 86% hallucination rate vs Claude Opus 4.7's 36% in Terminal-Bench (2026). Here's when higher hallucination is acceptable and when it's a dealbreaker for your workflow.

Claude Opus 4.7 (released April 16, 2026) delivers a measurable upgrade over Opus 4.6 with +13% resolution on a 93-task coding benchmark, CursorBench jumping from 58% to 70%, SWE-bench Pro rising from 53.4% to 64.3%, 3.3ร higher-resolution vision (up to 3.75 MP), a new `xhigh` effort level, self-verification loops, and identical $5/$25 per-million-token pricing. Low-effort 4.7 often matches medium-effort 4.6 quality, reducing effective cost per task. It trails only the limited-release Mythos Preview.

Claude Opus 4.7 (model ID: `claude-opus-4-7`) is Anthropicโs most capable generally available model, released April 16, 2026. It delivers step-change improvements in agentic coding, high-resolution multimodal vision (up to 3.75MP), adaptive thinking, and long-running workflows while maintaining $5/$25 per million input/output tokens. Use it via CometAPI for 20-40% lower pricing, one unified key, and instant model switchingโno vendor lock-in.

Claude Opus 4.7, released by Anthropic on April 16, 2026, is the latest flagship hybrid reasoning model in the Claude 4 family. It delivers a 13% improvement on a 93-task coding benchmark over Opus 4.6, supports a 1M token context window, higher-resolution vision (up to 2,576 pixels), and adaptive thinking for complex agentic workflows. It excels in production-ready coding, long-running tasks, and professional knowledge work while maintaining the same pricing as its predecessor ($5/$25 per million tokens officially). For developers seeking lower costs and unified API access to 500+ models, CometAPI offers Claude Opus 4.7 at just $4 input / $20 output per million tokensโa 20% savingsโplus a free API key and 1M free tokens for new users.