GPT-5.4 vs Claude Opus 4.6
Claude Opus 4.6 costs less on output ($7.50 against $9.00 per million tokens); input costs the same on both ($1.50). Both on one key at UplinkSwitch, each next to its developer's list price.
Prices · per million tokens, USD
| Tokens | GPT-5.4gpt-5.4 | Claude Opus 4.6claude-opus-4-6 |
|---|---|---|
| Input | $1.50OpenAI lists $2.50 · 40% under | $1.50Anthropic lists $5.00 · 70% under |
| Cached input | $0.15OpenAI lists $0.25 · 40% under | $0.15Anthropic lists $0.50 · 70% under |
| Output | $9.00OpenAI lists $15.00 · 40% under | $7.50Anthropic lists $25.00 · 70% under |
| Context window | 1,050,000 tokens | 1,000,000 tokens |
| Max output | 128,000 tokens | 128,000 tokens |
| Input | text, image | text, image |
| Released | 2026-03-05 | 2026-02-05 |
| Anthropic lifecycle | — | active, retires no sooner than 2027-02-05 |
| Formats | OpenAI SDK | Anthropic SDK, OpenAI SDK |
| Developer | OpenAI | Anthropic |
List price: each developer's published rate, read October 2026. A model with no cached rate bills cached tokens at its input rate. Live from GET https://api.uplinkswitch.com/v1/catalog. Lifecycle from Anthropic's model deprecations, read 2026-10-19.
What the same work costs · USD, here and at list
| Work | GPT-5.4 | Claude Opus 4.6 |
|---|---|---|
| 1,000 chat requests | $7.50list $12.50 | $6.75list $22.50 |
| 100 long documents | $9.30list $15.50 | $9.00list $30.00 |
| A month of both, daily | $504.00list $840.00 | $472.50list $1,575.00 |
A chat request is 2,000 input and 500 output tokens; a long document is 50,000 in and 2,000 out; the month is 1,000 chats and 100 documents a day for 30 days, uncached. Over that month Claude Opus 4.6 costs $31.50 less here.
Newest in the line
- Claude Opus 5.5 is the newest in Claude Opus 4.6's line: $2.10 in and $6.00 out per million tokens here, against $4.00 and $20.00 at list.
Same key, same URL
One base URL and one key serve both models. The request below calls GPT-5.4; put claude-opus-4-6 in the model field to call Claude Opus 4.6 instead.
shell
curl https://api.uplinkswitch.com/v1/chat/completions \
-H "authorization: Bearer sk-uplink-live-..." \
-H "content-type: application/json" \
-d '{"model":"gpt-5.4","messages":[{"role":"user","content":"Hello"}]}'Model pages: GPT-5.4, Claude Opus 4.6. Pricing by family: GPT, Claude. More comparisons: GPT-5.4 vs GPT-5.3-Codex, Claude Sonnet 4.6 vs Claude Opus 4.6, Claude Opus 4.6 vs Claude Opus 4.7, Claude Opus 4.6 vs Gemini 3.1 Pro Preview.
Questions
- Which costs less, GPT-5.4 or Claude Opus 4.6?
- Claude Opus 4.6 costs less on output ($7.50 against $9.00 per million tokens); input costs the same on both ($1.50).
- Can I switch between them by changing the model id?
- Yes. Both answer in the OpenAI SDK format at the same base URL with the same key. Change the model id from gpt-5.4 to claude-opus-4-6 and nothing else.
- Is there a subscription?
- No. Prepaid credit from $10, with no subscription or monthly fee. Each top-up locks your prices for 30 days.
- Is GPT-5.4 better than Claude Opus 4.6?
- Better depends on the job; this page compares what the catalog can measure. Claude Opus 4.6 costs less on output ($7.50 against $9.00 per million tokens); input costs the same on both ($1.50). GPT-5.4 takes 1,050,000 tokens of context against 1,000,000 for Claude Opus 4.6. GPT-5.4 is the newer release. Both run on the same key, so the fair test is your own prompt sent to each model id.