Gemma 4 26B A4B vs GPT-4o: API Cost Comparison
Compare the API pricing, context windows, features, and real-world cost projections for Gemma 4 26B A4B (Google) and GPT-4o (OpenAI). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.
Prices verified Apr 5, 2026
Interactive Cost Calculator
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Showing costs for 2 models. Cheapest: Gemma 4 26B A4B at $3.30/month.
| Alert | |||||||
|---|---|---|---|---|---|---|---|
BestGemma 4 26B A4B | $3.30 | $0.000330 | $1.30 | $2.00 | 95.6% | Alerts coming soon | |
GPT-4o | OpenAI | $75.00 | $0.007500 | $25.00 | $50.00 | — | Alerts coming soon |
Monthly Cost Comparison
Price Comparison at a Glance
All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.
| Pricing Type | Gemma 4 26B A4B | GPT-4o | Cheaper |
|---|---|---|---|
| Input (standard) | $0.13/M | $2.50/M | Gemma 4 26B A4B |
| Output | $0.40/M | $10.00/M | Gemma 4 26B A4B |
| Cached input | N/A | $1.25/M | — |
| Batch input | N/A | $1.25/M | — |
| Batch output | N/A | $5.00/M | — |
Prices last verified: 2026-03-06 – 2026-04-05
Cost Breakdown by Usage Volume
Estimated monthly costs at different request volumes, assuming 1,000 input tokens and 500 output tokens per request. Adjust in the calculator above for your specific use case.
| Volume | Gemma 4 26B A4B Monthly | GPT-4oMonthly | Gemma 4 26B A4B Per request | GPT-4oPer request |
|---|---|---|---|---|
| 1K requests/mo | $0.33 | $7.50 | $0.000330 | $0.007500 |
| 10K requests/mo | $3.30 | $75.00 | $0.000330 | $0.007500 |
| 100K requests/mo | $33.00 | $750.00 | $0.000330 | $0.007500 |
| 1M requests/mo | $330.00 | $7,500.00 | $0.000330 | $0.007500 |
Green values indicate the lower-cost option at each volume tier. Cost per request is calculated at 1,000 input + 500 output tokens using standard (non-batch, non-cached) pricing.
Price History
Input price per 1M tokensWhen to Choose Gemma 4 26B A4B
by Google
- General chatbot
Input / 1M tokens
$0.13/M
Output / 1M tokens
$0.40/M
Context window
262,144
Tier
budget
When to Choose GPT-4o
by OpenAI
- General chatbot
- Code generation
- Content & copywriting
Input / 1M tokens
$2.50/M
Output / 1M tokens
$10.00/M
Context window
128,000
Tier
premium
Key Differences Beyond Price
Cost is only one factor in choosing an AI model. Context window size, rate limits, supported features, and latency all affect whether a model fits your use case.
| Capability | Gemma 4 26B A4B | GPT-4o |
|---|---|---|
| Context window | 262,144 tokens | 128,000 tokens |
| Max output tokens | 262,144 tokens | 16,384 tokens |
| Performance tier | Budget | Premium |
| Vision / image input | Yes | Yes |
| Function calling | Yes | Yes |
| JSON mode | Yes | Yes |
| Prompt caching | No | Yes |
| Batch API (50% discount) | No | Yes |
| Extended reasoning | Yes | No |
| Fine-tuning | No | Yes |
| Rate limit (req/min) | Not published | 10,000 |
GPT-4o notes
Snapshot versions available (gpt-4o-2024-11-20). Cached input requires cache_control.
Frequently Asked Questions
Is Gemma 4 26B A4B cheaper than GPT-4o?
At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), Gemma 4 26B A4B costs $33.00/month versus $750.00/month for GPT-4o — a 96% saving. Your actual savings will vary based on your token profile; output-heavy workloads amplify differences in output pricing.
Which model has a larger context window, Gemma 4 26B A4B or GPT-4o?
Gemma 4 26B A4B has a larger context window at 262,144 tokens, compared to 128,000 tokens for GPT-4o. A larger context window is important for processing long documents, multi-turn conversations, or large codebases without truncation.
Do Gemma 4 26B A4B and GPT-4o support the Batch API?
GPT-4o supports the Batch API (50% discount for async processing), while Gemma 4 26B A4B does not. If your workload tolerates up to 24-hour latency, routing to GPT-4o with batch pricing could significantly cut costs versus Gemma 4 26B A4B 's standard rate.
Which model offers better prompt caching?
GPT-4o supports prompt caching at $1.25/M for cached input, while Gemma 4 26B A4B does not offer prompt caching. For RAG applications or chatbots with large, repeated context, GPT-4o's caching capability can substantially reduce effective costs.
What are the best use cases for Gemma 4 26B A4B vs GPT-4o?
Both models are well-suited for General chatbot. Gemma 4 26B A4B is particularly strong for overlapping tasks. GPT-4o is favored for Code generation, Content & copywriting. At the same quality level, the lower-cost model is usually preferable; use this page's calculator to compare total monthly spend at your volume.
What is the cost per request for Gemma 4 26B A4B vs GPT-4o?
At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — Gemma 4 26B A4B costs $0.000330 per request and GPT-4o costs $0.007500 per request. At 100,000 requests/month, that translates to $33.00 and $750.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.
Gemma 4 26B A4B vs GPT-4o: Summary
When comparing Gemma 4 26B A4B and GPT-4o for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. Gemma 4 26B A4B offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $33.00/month, compared to $750.00/month for GPT-4o.
Both models are priced in USD per million tokens, the standard unit across all major AI API providers. Gemma 4 26B A4B charges $0.13/M for input tokens and $0.40/M for output tokens. GPT-4o charges $2.50/M input and $10.00/M output. If your workload is output-heavy (more tokens generated than consumed as input), the model with the lower output price compounds cost savings significantly at scale.
Prompt caching is supported by GPT-4o but not Gemma 4 26B A4B . For workloads with large, repeated system prompts or document context — such as RAG pipelines or multi-turn conversations with a fixed knowledge base — prompt caching can reduce effective input costs by 60–90%, which may change the cost ranking between these two models at your specific usage pattern.
Context window capacity differs between the two: Gemma 4 26B A4B supports up to 262,144 tokens in a single request, versus 128,000 tokens for GPT-4o. A larger context window is essential for document summarization, large codebase analysis, and multi-document retrieval-augmented generation (RAG) applications.
Use the interactive calculator at the top of this page to enter your actual token usage and monthly request volume for a precise cost comparison tailored to your workload. Adjust for batch API discounts and prompt caching to find the most cost-effective option for your specific deployment.
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Relevant Use Cases
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