Gemini 2.5 Flash vs Claude Haiku 4.5
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
| Specification |
by Google
|
by Anthropic
|
|---|---|---|
| Overview | ||
| Status | Deprecated budget | Current budget |
| Released | Jun 17, 2025 | Oct 15, 2025 |
| Pricing per million tokens | ||
| Input | $0.300/Mtok | $1.00/Mtok |
| Output | $2.50/Mtok | $5.00/Mtok |
| Blended avg | $0.850/Mtok | $2.00/Mtok |
| Cached input | — | $0.100/Mtok |
| Specifications | ||
| Context window | 1M tokens | 200K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimageaudiovideo
|
textimage
|
| Benchmarks source: Vellum LLM Leaderboard | ||
| Avg benchmark score | 50.2 | 65.5 |
| Perf / dollar | 59.1 | 32.8 |
| GPQA Diamond | 78.3 | 73 |
| Terminal-Bench 2.1 | 16.9 | 27.5 |
| AIME 2025 | 78 | 96.3 |
| MMMLU | 78 | 83 |
| MATH 500 | 72 | 78 vendor |
| SWE-Bench Verified | 38 | — |
| LiveCodeBench | 63.5 | — |
| MCP Atlas | — | 40.2 |
| Humanity's Last Exam | 12.1 | — |
| ARC-AGI 2 | 15 | — |
| HumanEval | — | 73.3 |
| Independent composite scores each on its own scale — not part of the average above | ||
| LMSYS Chatbot Arena | 1410.2 ELO | 1412.5 ELO |
| AA Intelligence Index | — | 29.9 |
| AA Agentic Index | — | 16.5 |
| AA-Omniscience Index (−100–100) | — | -4.4 |
| Providers | ||
| Available from |
Google — $0.300/$2.50/Mtok
|
Anthropic — $1.00/$5.00/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | Gemini 2.5 Flash | Claude Haiku 4.5 | Savings |
|---|---|---|---|
| 1M tokens | $0.85 | $2 | $1.15 (57.5%) |
| 10M tokens | $8.5 | $20 | $11.5 (57.5%) |
| 100M tokens | $85 | $200 | $115 (57.5%) |
| 1000M tokens | $850 | $2000 | $1150 (57.5%) |
When to pick which
distilled from the pricing and spec data above- cost dominates: $0.850/Mtok blended vs $2.00 — 57.5% less on the same 50/50 token mix
- you need the longer context: 1M tokens vs 200K (5×)
- your workload re-reads context (agents, RAG, long chats): cached input costs $0.100/Mtok — 90% off its list input price, a discount Gemini 2.5 Flash doesn't offer
- raw capability matters more than price: 65.5 vs 50.2 average benchmark score
Price movement
recorded changes since we began tracking each model · last checked Aug 15, 2026| Model | Changes | Latest move | Old → new $/M |
|---|---|---|---|
| Gemini 2.5 Flash | 2 | price rise on Jul 4, 2026 | $0.075/$0.3 → $0.3/$2.5/Mtok |
| Claude Haiku 4.5 | 0 | — no move | Stable since we began tracking — no change recorded |
The cheaper option here — Gemini 2.5 Flash costs $0.850/Mtok blended on Google.
Summary
Gemini 2.5 Flash by Google costs $0.300/Mtok input and $2.50/Mtok output, with a 1M-token context window. It supports text, image, audio, video input.
Claude Haiku 4.5 by Anthropic costs $1.00/Mtok input and $5.00/Mtok output, with a 200K-token context window. It supports text, image input.
On a blended cost basis, Gemini 2.5 Flash is 57.5% cheaper than Claude Haiku 4.5.It also has a larger context window.
On benchmarks, Claude Haiku 4.5 scores higher (65.5 vs 50.2) on average. In terms of value, Gemini 2.5 Flash has better performance per dollar (59.1 vs 32.8).
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.