Claude vs Gemini at a Glance
Both are frontier families, but they lean different ways: Claude for reasoning depth, coding judgment and writing quality; Gemini for huge context, multimodal breadth and grounded/factual tasks. The right answer depends on the job — and you can run both on one key to decide.
Pricing (Flagship & Value Tiers)
| Input (1M) | Output (1M) | |
|---|---|---|
| Claude Opus 4.8 | $5 | $25 |
| Claude Sonnet 4.6 | $3 | $15 |
| Gemini 3 Pro (≤200K) | ~$2 | ~$12 |
| Gemini 3.5 Flash | ~$1.50 | ~$9 |
| Gemini Flash-Lite | ~$0.10 | ~$0.40 |
Gemini generally undercuts Claude at the flagship level and has an extremely cheap Flash-Lite tier; Claude's edge is quality per call. Details: Claude Opus pricing, Gemini Pro guide.
Where Each Wins
Claude wins on:
- Nuanced reasoning and long-horizon agents.
- Code review and judgment-heavy tasks.
- Writing quality and instruction-following.
Gemini wins on:
- Context — up to ~2M tokens (whole repos, long docs); see context window comparison.
- Multimodal understanding and grounded/factual tasks.
- Cost at the low end — Flash-Lite is hard to beat for volume.
For coding specifically, both are strong, though GPT-5.6 reset that leaderboard in July 2026 — see best coding LLM API and Claude vs GPT / Gemini vs GPT.
Quick Decision Guide
- Deep reasoning / writing / agents → Claude (Sonnet default, Opus for the hardest).
- Long documents / codebases / multimodal → Gemini 3 Pro.
- Cheapest high-volume → Gemini Flash-Lite (or DeepSeek V4 Flash).
- Not sure → A/B both on your prompts.
Run Both on One Key
# swap "claude-sonnet-4-6" ⇄ "gemini-3.1-pro-preview"
curl -X POST https://api.linkmodel.ai/v1/chat/completions \
-H "Authorization: Bearer $LINKMODEL_API_KEY" -H "Content-Type: application/json" \
-d '{ "model": "claude-sonnet-4-6", "messages": [{"role":"user","content":"Draft a product spec from these notes: ..."}] }'Through LinkModel, call both up to 30% below official and switch with one word. Confirm the endpoint in the docs. See also the four-way Claude vs GPT vs Gemini vs DeepSeek.
Bottom Line
Pick Claude for reasoning, writing and agentic judgment; Gemini for massive context, multimodal and cheap volume. Neither is universally "better" — match the model to the task, and benchmark both on the same key before you commit.
Start free with a $1 credit and compare them head-to-head.