AI & Prompt Tools · Free tool
AI Model Comparison
Side-by-side spec sheet of frontier models: context window, input/output price, multimodal support, strengths, and best-fit use cases.
Updated June 2026
| Compare | Model | Context | Max out | In $/M | Out $/M | Vision | Tools | JSON |
|---|---|---|---|---|---|---|---|---|
| Gemini 1.5 Pro · Google | 2,000,000 | 8,192 | $1.25 | $5 | ✓ | ✓ | ✓ | |
| Gemini 1.5 Flash · Google | 1,000,000 | 8,192 | $0.075 | $0.3 | ✓ | ✓ | ✓ | |
| Claude Opus 4 · Anthropic | 200,000 | 8,192 | $15 | $75 | ✓ | ✓ | ✓ | |
| Claude Sonnet 4 · Anthropic | 200,000 | 8,192 | $3 | $15 | ✓ | ✓ | ✓ | |
| Claude Haiku 4 · Anthropic | 200,000 | 8,192 | $0.8 | $4 | ✓ | ✓ | ✓ | |
| o1 · OpenAI | 200,000 | 100,000 | $15 | $60 | ✓ | — | — | |
| GPT-4o · OpenAI | 128,000 | 16,384 | $2.5 | $10 | ✓ | ✓ | ✓ | |
| GPT-4o mini · OpenAI | 128,000 | 16,384 | $0.15 | $0.6 | ✓ | ✓ | ✓ | |
| Llama 3.1 70B · Meta | 128,000 | 4,096 | $0.35 | $0.4 | — | ✓ | ✓ | |
| Llama 3.1 405B · Meta | 128,000 | 4,096 | $2.7 | $2.7 | — | ✓ | ✓ | |
| Mistral Large 2 · Mistral | 128,000 | 4,096 | $2 | $6 | — | ✓ | ✓ | |
| DeepSeek V3 · DeepSeek | 64,000 | 8,192 | $0.27 | $1.1 | — | ✓ | ✓ |
Head-to-head notes
Claude Sonnet 4
Anthropic · 2025
Strengths: Excellent quality-to-price ratio. Default pick for production coding agents.
Watch out: Loses to Opus on deep reasoning and creative nuance.
GPT-4o
OpenAI · 2024
Strengths: Solid all-rounder with fast voice and image capabilities. Huge ecosystem of tooling.
Watch out: Reasoning behind Claude Opus / o1. Writing feels more generic.
Gemini 1.5 Pro
Google · 2024
Strengths: 2M-token context window — unmatched for feeding entire codebases or long videos.
Watch out: Quality dips at very long contexts. Safety filters can be intrusive.
Prices are list rates per million tokens as of publication. Always verify with the provider before budgeting.
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What it does
Side-by-side spec sheet of frontier models — context window, price, multimodal support, strengths, weaknesses — so you can pick the right one.
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<iframe src="https://freetoolarena.com/embed/ai-model-compare" width="100%" height="720" frameborder="0" loading="lazy" title="AI Model Comparison" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>How to use it
- Filter by vendor and sort by the metric that matters.
- Tick models to compare head-to-head.
- Read the strengths/watch-out notes.
Frequently asked questions
- Which frontier model is best?
- Depends on task. GPT-4o is well-rounded and cheap. Claude Opus 4 excels at writing, code, and structured output. Gemini 2.5 Pro has the largest context (2M) and strong multimodal. There's no single winner — benchmark on your specific task before committing.
- How often do these specs change?
- Models update every 3-6 months. Prices change more often (2024 saw 50%+ cuts across all providers). Context windows grow. Always check the vendor's pricing page for current numbers — this table is a point-in-time reference.
- Should I use a smaller model for cost savings?
- Often yes. GPT-4o mini is ~15x cheaper than GPT-4o and handles most production tasks. Claude Haiku is similarly much cheaper than Opus. Many workflows benefit from a 'small-fast model' routing tier plus premium model only for hard cases.
- Is open-source competitive with closed models?
- Closing the gap. Llama 3.1 405B matches GPT-4-class performance. DeepSeek R1 is competitive with o1 on reasoning at a fraction of the cost. For most tasks, top open-source runs on Together/Replicate/Groq at 50-80% less than closed APIs. Enterprise privacy use-cases benefit most from self-hosting.
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