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Model Comparison

Compare AI models side by side

Pick up to 3 models and compare input cost, output cost, context window, speed, and more. The best value in each row is highlighted. Share your comparison with a link.

How to read a model comparison without being misled

Input price is the least useful number in the table

Providers advertise input cost because it is the smaller of the two, and output tokens are typically priced three to five times higher. What you actually pay depends on your ratio: a summariser sends a lot and returns a little, so input dominates; an agent that writes code inverts that completely. Read both columns together, weighted the way your own work is weighted, and treat any single headline figure as marketing.

A context window is a ceiling, not a working range

A million-token window means a million tokens fit, not that quality holds across them. Retrieval accuracy degrades well before the limit on every model, and you pay for every token you send on every turn — a long conversation re-bills its own history. Treat the window as headroom that saves you from chunking, and assume real quality lives comfortably inside it.

Benchmark gaps under a few points are noise

Published scores come from different harnesses, different prompt scaffolds and often different attempt budgets. A two-point difference on a coding benchmark tells you far less than a five-times price difference or a latency difference you can feel. Use scores to rule models out, not to rank the survivors.

Speed labels and real latency are different things

Throughput — tokens per second once a model starts — is not the same as time to first token, and reasoning models can sit silent for a long time before either. If the model sits in an interactive loop, the wait before the first character is the number that decides whether people keep using it.

A shortcut for the common case

Compare three models, not ten: the one you use now, the obvious upgrade, and the obvious cheaper option. If the upgrade is not clearly better on the axis you care about, stay put. If the cheaper option is within a few points on that axis, run a week of real work through it before assuming you need the expensive one. Every comparison here is shareable — the model selection travels in the URL.

What to compare next

Top coding modelsBudget vs balancedThe three big defaultsBudget picks
 
GoogleBudget
Gemini 3.1 Flash

Best cheap AI for broad day-to-day work — now with 1M context.

GooglePremium
Gemini 3.1 Pro

Google's Pro model — 1M context and native multimodal input at $2/$12.

xAIBalanced
Grok 4

Retired May 15, 2026 — replaced by Grok 4.6 and Grok 4.7.

Input cost / 1M tokens$0.50/1M$2.00/1M$3.00/1M
Output cost / 1M tokens$3.00/1M$12.00/1M$15.00/1M
Context window1M tokens1M tokens256k tokens
SpeedVery fastBalancedFast
Price tierBudgetPremiumBalanced
Best forHigh-volume everyday AI usage where speed and cost both matterResearch, deep document analysis, and long-context reasoning at competitive pricingHistorical reference — use Grok 4.7 for new work
Last verifiedTodayTodayToday
VerdictThe best all-around budget model for most teams. Faster than its predecessor, cheaper, and with a 1M context window that outclasses every other budget option.A capable research model and still Google's current Pro tier, but no longer the long-context leader: its 1M-token window matches Claude Opus 5.5 and is slightly below the GPT-6 family's 1.05M. Choose it for Google Workspace integration and multimodal input; for most research, Claude Opus 5.5 or GPT-6.1 Sol are stronger at a similar price.Retired: xAI shut down the grok-4-0709 API on May 15, 2026. It was a strong coding model at launch, at $3/$15 with a 256K window; earlier versions of this page listed $2/$6 and 2M tokens in error. Use Grok 4.7 instead.
View full profileTry Gemini 3.1 Flash
View full profileTry Gemini 3.1 Pro
View full profileTry Grok 4
GoogleBudget

Gemini 3.1 Flash

Best cheap AI for broad day-to-day work — now with 1M context.

Input cost / 1M tokens✓ best
$0.50/1M
Output cost / 1M tokens✓ best
$3.00/1M
Context window✓ best
1M tokens
Speed✓ best
Very fast
Price tier✓ best
Budget

The best all-around budget model for most teams. Faster than its predecessor, cheaper, and with a 1M context window that outclasses every other budget option.

Full profileTry Gemini 3.1 Flash
GooglePremium

Gemini 3.1 Pro

Google's Pro model — 1M context and native multimodal input at $2/$12.

Input cost / 1M tokens
$2.00/1M
Output cost / 1M tokens
$12.00/1M
Context window✓ best
1M tokens
Speed
Balanced
Price tier
Premium

A capable research model and still Google's current Pro tier, but no longer the long-context leader: its 1M-token window matches Claude Opus 5.5 and is slightly below the GPT-6 family's 1.05M. Choose it for Google Workspace integration and multimodal input; for most research, Claude Opus 5.5 or GPT-6.1 Sol are stronger at a similar price.

Full profileTry Gemini 3.1 Pro
xAIBalanced

Grok 4

Retired May 15, 2026 — replaced by Grok 4.6 and Grok 4.7.

Input cost / 1M tokens
$3.00/1M
Output cost / 1M tokens
$15.00/1M
Context window
256k tokens
Speed
Fast
Price tier
Balanced

Retired: xAI shut down the grok-4-0709 API on May 15, 2026. It was a strong coding model at launch, at $3/$15 with a 256K window; earlier versions of this page listed $2/$6 and 2M tokens in error. Use Grok 4.7 instead.

Full profileTry Grok 4

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