Grok vs Gemini — which actually wins in 2026?
Grok and Gemini split the field. Grok owns real-time X and leads Artificial Analysis' composite index (54 vs 50). Gemini has double the context (1M vs 500K), native Workspace, audio and video input, and a more generous free tier. API cost splits: Gemini is cheaper on input, Grok on output. Choose Grok for real-time, X-native work and output-heavy APIs; choose Gemini for long context, Google-native workflows and free usage.
| Category | Winner | Margin |
|---|---|---|
| General reasoning · GPQA Diamond | ·Tie | 93.1 vs 94.1 — inside the ±1.7 error band (Artificial Analysis / LM Council, Jul 2026) |
| Composite intelligence · AA Intelligence Index | AGrok | Grok 4.5 (high) 54 vs Gemini 3.5 Flash 50 — Artificial Analysis, Jul 2026 |
| Agentic coding · Terminal-Bench | ·Tie | Grok 82 (v2.1) vs Gemini 3.1 Pro 80.2 (v2.0) — different versions, overlapping error bands |
| Real-time information · live X vs Search | AGrok | Grok reads live X posts inline; Gemini grounds on Google Search instead |
| API context window · max input | BGemini | Gemini 3.5 Flash 1M vs Grok 4.5 500K — double the room |
| Multimodal input · audio + video | BGemini | Gemini 3.5 Flash accepts audio and video; Grok 4.5 is text + image only |
| API cost · per 1M tokens | ·Split | Grok $2 / $6 vs Gemini $1.50 / $9 — Gemini cheaper on input, Grok on output |
| Free tier · non-paying use | BGemini | Gemini free ships Deep Research, image gen and Canvas; Grok's free caps aren't published |
| Office integration · Workspace | BGemini | Gemini is native in Gmail, Docs, Sheets and Meet; Grok offers connectors only |
| Regional availability · EU access | BGemini | Grok's API console isn't available in the EU yet; Gemini is broadly available |
| Team / enterprise · seats + admin | BGemini | Gemini rides Workspace at $14/user; Grok Business exists but publishes no seat price |
| Best overall | ·Depends | See the decision tree below |
If you need real-time and cheap output tokens.
- Real-time X — Grok reads live posts from X inline, with no separate browsing step
- Cheaper output — $6/M output undercuts Gemini 3.5 Flash's $9/M, where agentic workloads spend
- Composite lead — Grok 4.5 (high) tops Artificial Analysis' index 54 vs 50
- Looser guardrails — fewer deflections on controversial and creative prompts; a trade-off, not a free win
- Bundled entry — Grok limits rise with an $8/mo X Premium subscription
If you need context, multimodality and Google-native work.
- 1M context — double Grok 4.5's 500K window on the API model
- Audio + video input — Gemini 3.5 Flash ingests both natively; Grok 4.5 does not
- Cheaper input — $1.50/M input undercuts Grok's $2/M on prompt-heavy workloads
- Workspace-native — Gemini lives inside Gmail, Docs, Sheets, Slides and Meet
- Broader free tier — Deep Research, image gen, Canvas and Gems at no cost
- Broad availability — works in the EU, where Grok's API console does not
| Aspect | Grok | Gemini |
|---|---|---|
| Free tierWhat a non-paying user gets | $0 · usage-limited x.ai lists real-time web and X search, voice mode and connectors on free within unpublished limits | $0 · Gemini 3.5 Flash Free default 3.5 Flash plus limited 3.1 Pro, image gen, Deep Research, Gemini Live, Canvas, Gems, 15 GB storage B wins |
| Entry subscriptionCheapest paid path to more usage | $8/mo · X Premium Bundles higher Grok limits with X; Premium+ is $40/mo | $4.99/mo · Google AI Plus 2× free limits, Gemini 3 Pro at 30 prompts/day, Deep Research 12/day, 400 GB storage (cut from $7.99 / 200 GB in Jun 2026) B wins |
| Mainstream subscriptionThe tier most paying users land on | $30/mo · SuperGrok Grok 4.5, Expert mode, higher rate limits across all features, image and video generation | $19.99/mo · Google AI Pro Gemini 3.1 Pro at 100 prompts/day, 1M context, Deep Research 20/day, Jules 5×, 5 TB storage B wins |
| Power tierHeaviest usage | $300/mo · SuperGrok Heavy Maximum rate limits everywhere plus Grok 4 Heavy | $100–200/mo · AI Ultra $100 gives 5× Pro limits and 20 TB; $200 gives 20× Pro limits, Project Mariner and Project Genie B wins |
| API · inputper 1M tokens · from snapshot | $2.00 | $1.50 B wins |
| API · outputper 1M tokens · from snapshot | $6.00 A wins | $9.00 |
| Effective API costBlended workload $/1M · from snapshot | $1.19 | $1.08 B wins |
| API context windowMax input tokens · from snapshot | 500K | 1M B wins |
| Real cost / 1M charsTokenizer-adjusted prose — the tokenizer tax | $0.52 | $0.39 B wins |
| Team / enterpriseSeats, SSO, admin | Custom · Business x.ai lists a Business tier with seat management, RBAC, SSO and SCIM, but publishes no seat price; Enterprise is contact-sales | $14/user · Workspace Gemini is bundled into Google Workspace at no extra AI charge across plans; Enterprise is custom B wins |
| Capability | Grok | Gemini |
|---|---|---|
| API context window | 500K tokens | 1M tokens |
| Max output tokens | ~ Not published | 65K tokens |
| Vision / image input | ✓ Images, screenshots | ✓ Images, PDFs, screenshots |
| Audio input | ✗ | ✓ Native ($0.50/M) |
| Video input | ✗ | ✓ Native |
| Image generation | ✓ Grok Imagine | ✓ In-app image gen |
| Video generation | ✓ Grok Imagine | ✓ Veo (paid tiers) |
| Voice mode | ✓ Voice mode (free too) | ✓ Gemini Live |
| Real-time X integration | ✓ Native | ✗ (Google Search only) |
| Search grounding | ✓ Live web + X | ✓ Native Google Search |
| Deep research runs | ~ Not a named feature | ✓ Deep Research (free tier too) |
| Code execution sandbox | ✓ Grok Build | ✓ Canvas / code exec |
| Coding agent | ✓ Grok Build | ✓ Jules (5× on AI Pro) |
| Custom assistants | ✗ | ~ Gems (no public store) |
| Connectors | ✓ Connectors (free too) | ✓ Workspace + Drive |
| Office / productivity integration | ~ Connectors only | ✓ Native Workspace |
| Function calling / tool use | ✓ Native | ✓ Native |
| Prompt caching | ✓ $0.50/M cached | ✓ $0.15/M cached |
| Batch API discount | ✗ Not published | ✓ 50% off ($0.75 / $4.50) |
| SOC 2 compliance | ✓ Type I & II (all tiers) | ✓ Workspace / Cloud |
| SSO / SCIM | ✓ Business tier | ✓ Workspace admin |
| Desktop apps | ✗ (web only) | ~ Web + Chrome |
| Mobile apps | iOS + Android | iOS + Android |
| EU availability | ~ API console not in EU yet | ✓ Broad |
The numbers, not the spin.
Grok
The real-time-first assistant — native to X, ahead on the composite index, and cheaper where output tokens dominate the bill.
Strengths
- Real-time X — reads live posts and breaking news inline, with no separate browse step
- Composite lead — Grok 4.5 (high) tops Artificial Analysis' index 54 vs 50
- Cheap output — $6/M output undercuts Gemini 3.5 Flash's $9/M
- Looser guardrails — fewer deflections on controversial and creative prompts
- Bundled entry — Grok limits rise with an $8/mo X Premium subscription
Weaknesses
- Half the context — 500K vs Gemini's 1M on the API model
- No audio or video input; Grok 4.5 is text + image only
- API console not available in the EU yet
- No native desktop app, and no Office/Workspace-class productivity integration
- Free-tier caps and the Business seat price are not published
Best for
- X-native creators, journalists and analysts
- Real-time event coverage and breaking-news research
- Output-heavy API workloads where generation dominates spend
- Prompts other assistants deflect
Gemini
The context-and-Google-native assistant — 1M tokens, audio and video input, Workspace integration, and the broader free tier of the two.
Strengths
- 1M context — double Grok 4.5's window on the API model
- Full multimodality — text, image, audio and video input natively
- Cheap input — $1.50/M input and $0.15/M cached undercut Grok on prompt-heavy work
- Workspace-native — Gemini lives inside Gmail, Docs, Sheets, Slides and Meet
- Broader free tier — Deep Research, image gen, Canvas and Gems at no cost
- Batch discount — 50% off at $0.75/M input and $4.50/M output
Weaknesses
- Pricier output — $9/M vs Grok's $6/M, which stings on generation-heavy runs
- Behind on Artificial Analysis' composite index (50 vs 54)
- No live X access, and no public assistant store to match a GPT-Store-class channel
- No first-party desktop app — web and Chrome only
- Model routing between Flash and Pro can be opaque to free users
Best for
- Long-document and long-context work
- Teams already living in Google Workspace
- Audio and video analysis pipelines
- Prompt-heavy API workloads that lean on caching and batch
- Anyone in the EU
Journalist covering breaking news on X
You file several stories a day during fast-moving events and need to verify quotes and pull live reactions from X within minutes.
Reasoning: Grok reads live X posts inline, so you skip the copy-paste from a separate tab. Gemini grounds on Google Search with citations, which is better for the wider web but has no X-native path. For X-driven stories, Grok cuts the most time out of the loop.
Analyst summarising a 400-page filing
You drop long PDFs and transcripts into an assistant and ask it to trace claims across the whole document rather than a chunked subset.
Reasoning: Gemini 3.5 Flash carries a 1M-token window against Grok 4.5's 500K, so more of the document survives in a single pass and you chunk less. Gemini also ingests audio and video natively if the filing comes with a call recording. For document-scale context, Gemini has the room Grok doesn't.
API developer on a generation-heavy workload
Your product streams long completions — drafts, summaries, agent turns — so output tokens, not prompts, dominate the monthly bill.
Reasoning: Grok is $6/M output against Gemini 3.5 Flash's $9/M, a 33% saving on the side you actually spend. Gemini is cheaper on input ($1.50 vs $2) and much cheaper cached ($0.15 vs $0.50), so the verdict flips on prompt-heavy workloads. Check the blended and tokenizer-adjusted rows above against your own input/output mix.
Team that lives in Google Workspace
Your day is Gmail, Docs, Sheets and Meet, and you want an assistant that reads and writes across those without copy-paste.
Reasoning: Gemini is native inside Workspace and bundled at no extra AI charge, so the marginal cost of rolling it out to a team already paying for Workspace is zero. Grok offers connectors but no Office-class integration, and it publishes no seat price for its Business tier. For a Google-first team, this isn't close.
Developer or user based in the EU
You're building from, or working in, the EU and need the model available through a normal console and account today.
Reasoning: xAI's own docs note the Grok 4.5 API console is not available in the EU yet, which is a hard stop rather than a preference. Gemini is broadly available across regions with Workspace-grade data controls. Until xAI's EU access lands, Gemini is the only one of the two you can actually deploy.
Researcher on a zero budget
You want serious assistant work — research runs, image generation, a canvas to iterate in — without paying anything.
Reasoning: Gemini's free tier ships 3.5 Flash by default plus limited 3.1 Pro, Deep Research, image generation, Gemini Live, Canvas and Gems. Grok's free tier includes real-time web and X search plus voice, but xAI doesn't publish its caps and reserves Grok 4.5 for SuperGrok. For free capability you can plan around, Gemini is the safer bet.
Frequently asked.
Common questions about this comparison, with sources where they matter.
Q · 01 Is Grok or Gemini better overall? +
54 vs 50), and output-token price ($6/M vs $9/M). Gemini leads on context (1M vs 500K), audio and video input, input price, Workspace integration, free-tier generosity, and EU availability. On GPQA Diamond they tie (93.1 vs 94.1, inside the error band). The best pick depends on your workload — see the decision tree above.Q · 02 Which is cheaper? +
$1.50/M vs $2/M) and much cheaper cached ($0.15 vs $0.50); Grok 4.5 is cheaper on output ($6/M vs $9/M). Prompt-heavy workloads favour Gemini, generation-heavy workloads favour Grok. The blended row above applies a realistic input/output mix — or run your own numbers in our LLM API cost calculator.Q · 03 Which has the larger context window? +
1M-token window against Grok 4.5's 500K. Neither vendor publishes an exact context window for its consumer chat app, though Google AI Pro advertises 1M in-app, so for very long documents in the chat UI test with your own material before committing.