On May 13, 2026, Google updated its Gemini API pricing page and removed Gemini 2.0 Flash from the free tier. The model had been free for most of 2025 and early 2026. Free-tier developers woke up to failed requests if they tried to call the old endpoint. Google moved the cutoff to June 1, 2026, then reduced free Flash requests per minute from 15 to 10. Daily token limits fell from 100,000 to 50,000 for the remaining free models. This was not a quiet change. Indie developers building test apps, Discord bots, and product demos saw immediate errors. Google’s official changelog directed them to Gemini 2.5 Flash free tier or paid Pro models. The company said the move reflected higher inference demand and a shift to on-device and fast-mode models. The free tier Google once used to win developers became a stricter sample.
Anthropic followed with a harder reset. On June 15, 2026, the company replaced its flat-rate free agent access with a credit pool, as detailed in Anthropic’s announcement. Free Claude users no longer got a flat number of agent runs. They got a set of console credits that reset on a five-hour timer. The old free tier allowed 20 prompts per eight hours. The new one allows five prompts per five hours for Claude Opus 4.8 fast mode. This change hit agentic coding, research agents, and any developer who used the free API for multi-step tool calls. Anthropic ended the agent subsidy and said paid plans would not see the same reset. Users who wanted the old behavior had to buy Claude Pro at $20 per month or purchase API credits.
OpenAI and Microsoft made their own cuts in the same window. On June 10, 2026, OpenAI began showing ads in the free ChatGPT tier, a first for the product. Free-tier API access to GPT-5 mini stayed, but Codex free tier dropped to 25 messages per day. Microsoft also rolled usage-based billing for GitHub Copilot on June 2, 2026, ending flat free access for Copilot’s AI coding features. The changes are covered in GitHub Copilot usage-based billing June 2026. Developers reported surprise charges after hitting multiplier thresholds. OpenAI’s free tier changes arrived as ChatGPT pricing changes 2026 pushed more users toward Plus and Team plans. For API developers, the free tier is now a trial, not a production sandbox.
Why this matters. The free-tier squeeze is a competitive move. Google cut Gemini prices while tightening free limits because inference cost for frontier models is not zero. Anthropic ended a subsidy that made Claude free agent work widely available. OpenAI added ads to cover free users. Stanford HAI’s AI Index noted that API costs for frontier models fell 85% per token between 2024 and 2026, but providers still want paid conversion. The result is a new pattern: free tiers are now rate-limited samples, not developer infrastructure. Users who hit these limits can follow AI free tier limits getting tougher June 2026 and agentic AI billing crisis free users 2026 for the full list.
How Do the Top Options Compare?
| Provider | Free Tier Model(s) | Key Limit Change | Effective Date | What It Costs to Continue |
|---|---|---|---|---|
| Google Gemini API | Gemini 2.5 Flash, Gemini Spark | 2.0 Flash removed, 15 RPM cut to 10 RPM, daily tokens 100k to 50k | June 1, 2026 | Pay-as-you-go from $0.10 per million tokens |
| Anthropic Claude API | Claude Opus 4.8 fast mode, Claude Sonnet | Five-hour credit pool replaces flat access, 20 prompts to 5 per reset | June 15, 2026 | Claude Pro $20 per month or API credits |
| OpenAI API | GPT-5 mini, Codex free tier | Ads in ChatGPT, Codex 25 messages per day, new keys 5 RPM | June 10, 2026 | ChatGPT Plus $20 per month, Codex paid 500 messages per day |
| Mistral AI API | Le Chat Vibe, existing free keys | New signups lose free API key, existing keys 40 requests per hour | June 8, 2026 | Pay-as-you-go from $0.15 per million tokens |
| xAI Grok API | Grok V9 Medium inside X | No free API for Grok Build 01, 15 messages per hour in X | June 12, 2026 | X Premium+ or $0.20 per million tokens for Build 01 |
Limits reflect free tier API access as of June 2026 and can change without notice. Vendor pricing pages remain the source of record. Free AI News may earn a commission if you sign up for a paid plan through links on this site. This does not affect our reporting.
1. Google Gemini API Free Tier , Developers who need a free fast Flash model for text and multimodal tests
Google’s free tier now centers on Gemini 2.5 Flash and the newer Gemini Spark model introduced at Google I/O 2026. The old Gemini 2.0 Flash free endpoint shut down on June 1, 2026. Developers who did not migrate by that date received HTTP 429 errors. Google’s official Gemini API page shows 10 requests per minute for free Flash models and 50,000 tokens per day. Paid tier starts at $0.10 per million input tokens for Flash, a 40% cut from early 2026 pricing. The free tier still allows image generation with limits, but the quota is smaller. Google AI Edge Eloquent free tier kept a separate on-device path with lower rates. One big change: Pro models are now paid. Google removed Gemini 2.5 Pro from free API access in May 2026. Free users can call the model only through the Gemini app, not the API. The Google Gemini API free tier tightened Pro models now paid story documents that shift. This hit developers who used Pro for long context or higher reasoning. For a hobby project, Gemini 2.5 Flash is enough. For a production app, the free tier will fail under even moderate load.
Key strengths:
- ✅ 10 requests per minute on free Flash models
- ✅ Gemini 2.5 Flash remains free for text and image generation
- ✅ Paid Flash pricing cut 40% from early 2026
- ✅ Separate on-device free tier via Google AI Edge
- ❌ Gemini 2.0 Flash free endpoint shut down June 1, 2026
- ❌ Pro models are no longer free via API
- ❌ Daily token cap fell from 100,000 to 50,000
Who it’s for: Choose this free tier only for light prototyping and prompt testing, not for any real-user app.
2. Anthropic Claude API Free Tier , Solo developers testing Claude Opus 4.8 fast mode without paying
Anthropic’s free tier changed shape on June 15, 2026. The Anthropic announcement says flat-rate agent access ended. Free users now get a credit pool that resets every five hours. The exact number depends on model and tool use. We verified that Claude Opus 4.8 fast mode allows five prompts per five hours, down from 20 prompts per eight hours under the old free plan. The slower Claude Sonnet free tier allows 10 prompts per five hours. These limits are covered in Claude free tier changes 2026. Agentic workloads took the biggest hit. Anthropic’s agent billing split June 2026 separated tool calls from base messages, so a single agent loop can consume multiple credits. Developers who built free Claude agents for research, coding, or file tasks now hit the five-hour wall after two or three loops. Claude Code limits jump 50 paid vs free 2026 reports the paid tier got a limit increase while free tier did not. That gap is the point. Anthropic wants agent builders on Pro or API credits, not the free pool.
Key strengths:
- ✅ Claude Opus 4.8 fast mode is available free with lower limits
- ✅ Five-hour credit pool resets faster than daily caps
- ✅ Paid plan limit increased by 50% for Claude Code
- ✅ Console credits still give a trial path
- ❌ Agentic tool calls now consume multiple credits
- ❌ Free prompt count dropped from 20 to 5 per reset
- ❌ Flat-rate agent access ended June 15, 2026
Who it’s for: Choose this free tier for occasional single-prompt tests, not autonomous agent loops.
3. OpenAI ChatGPT and API Free Tier , ChatGPT users and developers who want a free general model with ads
OpenAI’s free tier turned ad-supported on June 10, 2026. The OpenAI changelog confirmed that free ChatGPT users now see ads between responses in some regions. For API access, GPT-5 mini remains free but with stricter daily limits. Codex free tier dropped to 25 messages per day. The ChatGPT free tier ads 2026 report showed ads are not shown to Plus, Team, or Enterprise users. Free users who dislike ads must pay $20 per month for ChatGPT Plus. Developers who use the free API for coding saw a hard cap. ChatGPT Codex free tier agentic coding 2026 found that the free Codex plan allows 25 messages per day, then returns a paywall prompt. The paid Codex plan gives 500 messages per day. Major AI coding tools overhaul pricing June 2026 shows this is part of a broader coding tool shift. For non-coding API calls, OpenAI’s free tier now limits new developer keys to 5 requests per minute and 10,000 tokens per day. That is enough for a tutorial, not a product.
Key strengths:
- ✅ GPT-5 mini remains free for API testing
- ✅ ChatGPT free tier still offers core chat without payment
- ✅ Codex free tier shows clear message count before cutoff
- ✅ Paid Codex gives 500 messages per day
- ❌ Ads appeared in free ChatGPT on June 10, 2026
- ❌ Codex free tier limited to 25 messages per day
- ❌ New developer keys have very low request and token caps
Who it’s for: Choose this free tier to learn prompts or try GPT-5 mini, but plan to pay for any production API use.
4. Mistral AI Le Chat and API Free Tier , Open-weight model users who want a free European alternative
Mistral kept a free consumer tier in Le Chat but tightened API access for new developers on June 8, 2026. Existing API keys with free tier status kept 40 requests per hour and 1,000 requests per day. New developer signups no longer get a free API key by default. They must join the Mistral AI platform waitlist or request startup credits. The Mistral Vibe Le Chat free tier 2026 report says Le Chat still offers free access to the Vibe model with a daily cap of 50 messages. The API change matters for open-source projects. Mistral’s open-weight models remain downloadable from Hugging Face, so self-hosting is still free. But the hosted API free tier is now much harder to get. Mistral’s official pricing page shows pay-as-you-go starts at $0.15 per million tokens for Vibe, with no free requests for new keys after June 8. That is still cheap, but it is no longer free. Best free AI models 2026 no API costs no subscriptions lists self-hosted alternatives.
Key strengths:
- ✅ Le Chat consumer tier remains free with 50 messages per day
- ✅ Open-weight models can be self-hosted free from Hugging Face
- ✅ Pay-as-you-go pricing is low at $0.15 per million tokens
- ✅ Existing free API keys kept 40 requests per hour
- ❌ New API signups no longer receive free tier by default
- ❌ Free API daily cap is 1,000 requests
- ❌ Waitlist or startup credits required for new developers
Who it’s for: Choose Mistral free tier for consumer chat or self-hosting, not for new hosted API projects.
5. xAI Grok API Free Tier , X users who want free Grok skills and light model testing
xAI made Grok V9 Medium free for X users on June 12, 2026, but kept the Grok Build 01 agentic coding API paid. The Grok V9 Medium free users 2026 report says free X accounts can access the medium model with a 15 messages per hour cap. Grok Skills rolled out to free users at the same time, as covered in Grok Skills free users 2026. The skills allow simple browser and search actions without cost. The API story is different. Grok Build 01 agentic coding API 2026 found that xAI charges $0.20 per million tokens for Build 01, with no free tier. Free developers can use Grok V9 Medium only inside X, not via API. This is a wall for developers who wanted a free alternative to Claude or GPT for coding. X Premium+ users get higher limits and API trial credits, but the free tier is for chat, not machine access.
Key strengths:
- ✅ Grok V9 Medium free for X users with 15 messages per hour
- ✅ Grok Skills are free for X accounts
- ✅ Build 01 coding model is affordable at $0.20 per million tokens
- ✅ X Premium+ includes API trial credits
- ❌ No free API tier for Grok Build 01
- ❌ Free Grok access is inside X only
- ❌ 15 messages per hour is very low for testing
Who it’s for: Choose Grok free tier if you are an X user, not an API developer.
Frequently Asked Questions
When did Google remove Gemini 2.0 Flash from the free tier?
Google shut down the Gemini 2.0 Flash free endpoint on June 1, 2026. Free users must now use Gemini 2.5 Flash or paid Pro models. Daily token limits also fell from 100,000 to 50,000.
What replaced Anthropic's free agent access on June 15, 2026?
Anthropic replaced flat-rate agent access with a credit pool that resets every five hours. Claude Opus 4.8 fast mode gives about five prompts per reset. Agent tool calls consume multiple credits, so multi-step loops hit the limit quickly.
Are there ads in ChatGPT free tier now?
Yes. OpenAI began showing ads in the free ChatGPT tier on June 10, 2026. Ads appear between responses for some users. Paid ChatGPT Plus, Team, and Enterprise plans do not show ads.
Does the Mistral free API still exist?
Existing Mistral free API keys kept 40 requests per hour and 1,000 requests per day. New developer signups after June 8, 2026 no longer get a free API key by default and must request startup credits or join a waitlist.
Which free AI API is best for coding in June 2026?
For coding, GitHub Copilot free tier became usage-based and Codex free dropped to 25 messages per day. Anthropic Claude Code limits are higher for paid users. None of the free coding tiers are generous enough for full production use.
Can I still self-host free AI models?
Yes. Open-weight models from Mistral and others remain downloadable from Hugging Face. Self-hosting avoids API rate limits but requires your own compute. This is the only true free route for developers who need unlimited calls.
What Should You Remember?
- Limit resets: Free tier resets are now more frequent but smaller. Anthropic moved to a five-hour credit pool, Google cut daily tokens by half.
- Effective dates: June 2026 was the breaking point. Gemini 2.0 Flash ended June 1, Anthropic cut agent access June 15, OpenAI added ads June 10.
- Developer impact: New API keys have lower request per minute and daily token caps. Free tiers are now samples, not production infrastructure.
- Agent billing: Anthropic and OpenAI now charge for agent tool calls separately or via credit pools. Free agent loops fail after two or three steps.
- Self-host escape: Open-weight models from Mistral and others remain free to download and run. Hosting costs replace API costs.
- Paid conversion: Google cut Flash prices 40%, but free Pro access ended. The free tier is designed to push serious developers to paid plans.
Free AI News is an independent editorial publication. Information about AI pricing, free-tier limits, and features changes frequently and may become outdated. Always verify current details through the vendor’s official pages. Affiliate links may earn a commission at no cost to you, and never affect our reporting.
