Claude Sonnet 4.6 Coding vs Gemma 4 31B

Practical read: Gemma 4 31B reads more context. One API key runs both.

One key routes both. Starter credit covers your first Gemma 4 31B requests, while Claude Sonnet 4.6 Coding runs on your own provider key. Switch by changing the model name.

Side by side:

Claude Sonnet 4.6 Coding compared with Google: Gemma 4 31B
Attribute	Claude Sonnet 4.6 Coding `anthropic/claude-sonnet-4.6-coding`	Gemma 4 31B `google/gemma-4-31b-it`
Price, 1M in + out	$18.99 Your provider key	$0.46 Weights & Biases, cheapest route
Best for		Long documents
Cached input	Not published	$0.060927/1M to $0.26375/1M
Context window	200K 200,000 tokens	262K 262,144 tokens
First token, p50	Measuring	0.78 s via Tinfoil
Throughput	Measuring	250 tok/s via FriendliAI
AI IQ	Unrated	IQ 101 #120 on AI IQ
Provider routes	0	14 with failover
Privacy	Varies by provider	Confidential E2EE and zero retention route
Recent route uptime range	not enough data	100.00%
Publisher	Anthropic	Google AI Studio
Modes	chat messages	chat
More detail	Overview	Overview Pricing Providers

Price adds one million input and one million output tokens on the cheapest route. Prices and speed change: see the monthly reports and run a small eval before you choose a default.

Test both with your agent

Paste this into Claude Code, Cursor or any coding agent.

Compare Claude Sonnet 4.6 Coding and Gemma 4 31B in this project through TrustedRouter.

1. Read https://trustedrouter.com/docs/llms.txt
2. Point the OpenAI-compatible client at
   https://api.trustedrouter.com/v1 and read the key from
   TRUSTEDROUTER_API_KEY.
3. Run our eval prompts on anthropic/claude-sonnet-4.6-coding, then on google/gemma-4-31b-it.
4. Show me cost, latency and quality side by side before changing the default.

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key=os.environ["TRUSTEDROUTER_API_KEY"],
)
for model in ("anthropic/claude-sonnet-4.6-coding", "google/gemma-4-31b-it"):
    response = client.chat.completions.create(
        model=model,
        messages=[{"role": "user", "content": "What is the capital of France?"}],
    )
    print(model, response.choices[0].message.content)

for model in anthropic/claude-sonnet-4.6-coding google/gemma-4-31b-it; do
  curl https://api.trustedrouter.com/v1/chat/completions \
    -H "Authorization: Bearer $TRUSTEDROUTER_API_KEY" \
    -H "Content-Type: application/json" \
    -d "{\"model\": \"$model\", \"messages\": [{\"role\": \"user\", \"content\": \"What is the capital of France?\"}]}"
done

Your agent will need an API key.

Questions

Which should I use, Claude Sonnet 4.6 Coding or Google: Gemma 4 31B?

Google: Gemma 4 31B has more Credits provider routes and the larger context window. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

Is Claude Sonnet 4.6 Coding or Google: Gemma 4 31B cheaper?

The current cheapest TrustedRouter route is $18.99/1M for Claude Sonnet 4.6 Coding and $0.4642/1M for Google: Gemma 4 31B. The comparison uses current catalog prices and updates as provider pricing changes.

Is Claude Sonnet 4.6 Coding or Google: Gemma 4 31B faster?

Current measured p50 time to first token is not enough data for Claude Sonnet 4.6 Coding and 781 ms for Google: Gemma 4 31B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Claude Sonnet 4.6 Coding and Google: Gemma 4 31B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between anthropic/claude-sonnet-4.6-coding and google/gemma-4-31b-it. This makes side-by-side evals possible without maintaining two provider integrations.

More comparisons

All comparisons

Try Claude Sonnet 4.6 Coding and Gemma 4 31B with one key.

TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.

One key routes both. Starter credit covers your first Gemma 4 31B requests, while Claude Sonnet 4.6 Coding runs on your own provider key. Switch by changing the model name.